ekerem emeere emmure empure ephree ephrem euphem euphue heehee hehehe hehheh hekmeh hemmer hempur hemure hepper hereke herher herme hermeh hermuk herrem hrrmph huh-uh humhum hummer hummum humper humure hurrer hurumu keeker keepem keeper keepme keepup kehrer kemmer kemper kepper kereru kerker kerkuk keuper keuruu kheper kreker kremer krempe krume krupke krupuk kukere kumher kumkum kummer kummuh kumpur kumukh kupper kurmuk kurpeh kurper kurree kurukh kurume kururu meeker mehmke mehuru mememe memere mereuh merkem merker merkur mermer merrem merupu merure mm-hmm muhuhu muhurr muhuru mukuru mummer mumper murehe murmur murree murrhe muumuu peeker peepee peeper peerer pempek pempem pepper perere perkup permue perper perree perrhe peruke pppppp preeue prehem prepme preue- puerer pukeru pukree pumpee pumper pumpup pureke purmer purpre purpur purree purrer reeker reeper reheur rekkem remeue repper repump repure repuru reuere rumker rummer rumper rurkee uh-huh um-hum uphere upkeep uruppu