po čemu vozi vlak
po čemu vozi vlak ?
p o WORD_BOUNDARY t̠ʃ e m u WORD_BOUNDARY ʋ o z i WORD_BOUNDARY ʋ l a k WORD_BOUNDARY
p o WORD_BOUNDARY č e m u WORD_BOUNDARY v o z i WORD_BOUNDARY v l a k WORD_BOUNDARY ? WORD_BOUNDARY