was wird er tun
was werden er tun
pro aux pro:per v
was wird er tun ?
v a s WORD_BOUNDARY v ɪ ɐ t WORD_BOUNDARY  ɛ ɐ WORD_BOUNDARY t uː n WORD_BOUNDARY
w a s WORD_BOUNDARY w i r d WORD_BOUNDARY e r WORD_BOUNDARY t u n WORD_BOUNDARY