fflush filfil filius filli- fillis fislis fissi- flisks fluffs fluhli fluish fulfil fusils hi-fis hififi hihful hikuli hilili hillis hillul huh-uh huishu huluhu hulusi hushih hussif husulu huuksi ikkiss ilkufi illful illish ishkli k-hill khushi khushk kiffis kihihi kiisli kikiki kikkik kikkli kilifi kilkis kissui kisuki kluski kuklik kuklis kukshi kukuis kukuli kulfis kuliki kulilu kulish kululu kushki kushku kushlu kuskus kuusik lifful lifkuh lifull likish lilius lillis lilliu lishki lishui liulis liushi lufful lukulu lullus lushui lusuku shihhi shikii shills shishi shishk shisui shshsh shushk shusui sihuli siiiii sikulu silili silius silki sillik silluk sishui sisisi sisulu skiffs skills skulks skulls skulsk sliski sluffs sufli suliki sulili sushil sushis sushki suslik susuki susulu suuksu u-kiss uffish uh-huh uhhuhs ulfuls