filfil filius filli- fillis filsum fiskum fislis fissi- flisks fluffs fuisum fukumi fulfil fumuli fusils ikkiss ilimsk ilkufi illful imfull imlili immiss ismism kiffis kiisli kikiki kikkik kikkli kilifi kilims kilkis kissui kisuki kisumu kkusum klimki kluski kuklik kuklis kukuis kukuli kulfis kuliki kulilu kullum kululu kumili kumiss kumkum kummil kummul kuskus kuusik lifful lifull lilium lilius lilkim lillis lilliu limuli liulis lufful luismi lukulu lukumi lulism lullus lummis lummus lumuli lusuku mifumi mikiki mikumi milful milium milius milkis milli- millis millus milsim miluki misisi misius missil missis missus mukluk mulism mullis mullum mullus mulmul mulsim mulsum muluku musius muskil muskus muslim musmus mussil mussum muuksi muumuu s-l-m siiiii sikkim sikulu silili silius silki sillik sillim silluk simili simisi simkus simsim simuls sisisi sisulu skiffs skills skilum skimmi skulks skulls skulsk sliski sluffs smilis sufism sufli suliki sulili sumisu summil summum suslik susuki susulu susumu suuksu u-kiss ulfuls