er soll mithelfen
er sollen helfen
pro:per mod imp
er soll mithelfen .
 ɛ ɐ WORD_BOUNDARY z ɔ l WORD_BOUNDARY m ɪ t h ɛ l f ə n WORD_BOUNDARY
e r WORD_BOUNDARY s o l l WORD_BOUNDARY m i t h e l f e n WORD_BOUNDARY