zer tontoa zaan tio
zer tontoa zaan tio !
s̪̻ e ɾ WORD_BOUNDARY t̪ o n t̪ o a WORD_BOUNDARY s̪̻ a a n WORD_BOUNDARY t̪ i o WORD_BOUNDARY
z e r WORD_BOUNDARY t o n t o a WORD_BOUNDARY z a a n WORD_BOUNDARY t i o WORD_BOUNDARY ! WORD_BOUNDARY