soll Ernie mitfahren
sollen Ernie fahren
mod n:prop imp
soll ernie mitfahren ?
z ɔ l WORD_BOUNDARY  ɛ ɐ n iː WORD_BOUNDARY m ɪ t f aː ʀ ə n WORD_BOUNDARY
s o l l WORD_BOUNDARY e r n i e WORD_BOUNDARY m i t f a h r e n WORD_BOUNDARY