ceecee cheche chechu check- checkt cheech cheeke cheekh chekkt chetek chetuk chuchu chukke chukku chuktu chumeh cutcut cuttee cutthe echeck emeute emmett emtech etcetc ethete ettutu hecche heehee hehehe hehheh hekmeh hemmet hetche heutte hkcccc hucche huh-uh humect humhum hummum huthut k-much kecche kechut kekkut ketuke kucheh kuchek kuchum kumkum kummuh kumukh kumutu kutke mecche mechem meckhe meetme mehche mehmke mememe metche meteth mettet mm-hmm mtmtmk mucche muchee mucheh muchet muchuu mucket muecke muette muhuhu muktuk mutuum muumuu te-hee tecche techch tectum teehee teetee teethe teeuck tekkeh temeke tetche tetete tethee tetteh theche thehue thekte themet thetch thetee thethe thettu thucke tkhkut tuchet tucket tueche tuktuk tumtum tutche tuttut tutume uh-huh um-hum umtech umuchu utecht uteute utukku