avto avto u avtu
avto avto u avtu .
a ʋ t̪ o WORD_BOUNDARY a ʋ t̪ o WORD_BOUNDARY u WORD_BOUNDARY a ʋ t̪ u WORD_BOUNDARY
a v t o WORD_BOUNDARY a v t o WORD_BOUNDARY u WORD_BOUNDARY a v t u WORD_BOUNDARY . WORD_BOUNDARY