kuulla omiaan

Finnish

(idiomatic) to hear things, to hear voices; to hear sounds or noises that are not actually present

See kuulla. omiaan is not inflected, but receives a possessive suffix:

Personal/possessive forms for word in phrase
possessor	singular	plural
1st person	omiani	omiamme
2nd person	omiasi	omianne
3rd person	omiaan omiansa