"interior:exterior","in:out","up:down","clean:dirty"
"high:low","above:below","backward:forward","stop:go"
"previously:subsequently","dirty:clean","around:through","tip:root"
"sink:rise","root:tip","top:bottom","happy:sad"
"boring:interesting","climb:descend","sharp:dull","below:above"
"under:over","ahead:behind","port:starboard","out:in"
"go:come","forward:backward","rise:sink","sad:happy"
"north:south","start:finish","port:starboard","go:come"
"rise:sink","stop:go","sink:rise","clean:dirty"
"forward:backward","in:out","tip:root","dirty:clean"
"happy:sad","climb:descend","up:down","below:above"
"ahead:behind","sharp:dull","out:in","backward:forward"
"high:low","around:through","under:over","root:tip"
"top:bottom","boring:interesting","sad:happy","interior:exterior"
"start:finish","previously:subsequently","north:south","above:below"
"start:finish","happy:sad","rise:sink","out:in"
"above:below","around:through","tip:root","north:south"
"stop:go","below:above","boring:interesting","climb:descend"
"dirty:clean","clean:dirty","backward:forward","high:low"
"forward:backward","interior:exterior","up:down","previously:subsequently"
"root:tip","sharp:dull","sink:rise","port:starboard"
"go:come","under:over","in:out","ahead:behind"
"top:bottom","sad:happy","north:south","high:low"
"dirty:clean","tip:root","above:below","out:in"
"in:out","up:down","clean:dirty","climb:descend"
"sharp:dull","sink:rise","interior:exterior","top:bottom"
"rise:sink","stop:go","happy:sad","ahead:behind"
"previously:subsequently","go:come","around:through","forward:backward"
"below:above","root:tip","sad:happy","port:starboard"
"under:over","backward:forward","start:finish","boring:interesting"
"boring:interesting","north:south","above:below","rise:sink"
"ahead:behind","in:out","tip:root","interior:exterior"
"previously:subsequently","below:above","dirty:clean","sad:happy"
"happy:sad","forward:backward","under:over","top:bottom"
"port:starboard","go:come","clean:dirty","sharp:dull"
"sink:rise","stop:go","high:low","out:in"
"up:down","root:tip","around:through","start:finish"
"climb:descend","backward:forward","previously:subsequently","boring:interesting"
"forward:backward","above:below","ahead:behind","high:low"
"start:finish","below:above","dirty:clean","sad:happy"
"happy:sad","interior:exterior","go:come","stop:go"
"clean:dirty","sink:rise","root:tip","north:south"
"backward:forward","up:down","tip:root","out:in"
"under:over","sharp:dull","climb:descend","in:out"
"top:bottom","around:through","port:starboard","rise:sink"
"high:low","around:through","below:above","start:finish"
"root:tip","happy:sad","tip:root","clean:dirty"
"forward:backward","top:bottom","sharp:dull","in:out"
"port:starboard","stop:go","dirty:clean","north:south"
"out:in","up:down","ahead:behind","sad:happy"
"climb:descend","above:below","backward:forward","boring:interesting"
"under:over","previously:subsequently","rise:sink","go:come"
"interior:exterior","sink:rise","above:below","start:finish"
"ahead:behind","boring:interesting","backward:forward","north:south"
"high:low","port:starboard","dirty:clean","forward:backward"
"under:over","tip:root","clean:dirty","below:above"
"go:come","rise:sink","in:out","out:in"
"interior:exterior","sink:rise","around:through","top:bottom"
"up:down","sad:happy","happy:sad","sharp:dull"
"previously:subsequently","root:tip","climb:descend","stop:go"
"happy:sad","start:finish","go:come","forward:backward"
"ahead:behind","clean:dirty","around:through","rise:sink"
"previously:subsequently","climb:descend","tip:root","top:bottom"
"sink:rise","up:down","out:in","above:below"
"north:south","dirty:clean","boring:interesting","sharp:dull"
"root:tip","sad:happy","stop:go","under:over"
"backward:forward","port:starboard","in:out","high:low"
"interior:exterior","below:above","dirty:clean","clean:dirty"
"in:out","port:starboard","happy:sad","up:down"
"tip:root","sink:rise","start:finish","under:over"
"around:through","backward:forward","north:south","interior:exterior"
"boring:interesting","root:tip","climb:descend","rise:sink"
"top:bottom","above:below","below:above","go:come"
"previously:subsequently","forward:backward","out:in","stop:go"
"sad:happy","high:low","ahead:behind","sharp:dull"
