-e "s/(oughtn|Oughtn|OUGHTN)'(t|T)'(ve|VE)/\1ʼ\2ʼ\3/g" \
-e "s/(oughtn|Oughtn|OUGHTN)'(t|T)/\1ʼ\2/g" \
-e "s/(o|O)'(clock|CLOCK)/\1ʼ\2/g" \
-e "s/(oughtn|Oughtn|OUGHTN)'(t|T)'(ve|VE)/\1ʼ\2ʼ\3/g" \
-e "s/(oughtn|Oughtn|OUGHTN)'(t|T)/\1ʼ\2/g" \
-e "s/(o|O)'(clock|CLOCK)/\1ʼ\2/g" \