hipihi hirtum hrrmph htruth huh-uh humhum humiri hummum hurth hurumu huthur huthut ihitit imhurt imirim imputt irrupt ittiri iturup mihuti mirihi miriti miruru mithri mithur mitrit mm-hmm muhuhu muhurr muhuru muphti muriti muritu murium murmir murmur murrit muthur mutitu muttur muturi mutuum muumuu phitti pihuri pimmit pimpri pipipi pipiri pippip pirrip pitpit pituri piumhi piupiu pppppp primip primum prithu pruitt prurit ptitim pumiri pumpup pupput puriri purpit purpur put-up puthir puthri puthur putput puttur rhipi- rhithm rippit rirumu rititi rumphi rumti- rurutu thirpu thithi thrimp thrump thrupp thumri thurii timimi timiri tip-it tip-up tipiti tippit tiptur tirhut tirrit titipu titiri tittup trimup tripup tritip truitt trumph tuhuti tuipui tuiuti tumtum turmit turmut turrum turtur tururu tuttut uh-huh um-hum umirim up-put uruppu uthiru