effere effuse eresus ersure eskers essess esssse essure feeres feeses ferfer ferrer ferres ferrur ferrus fesere fesser fesses freers freese frefre freres fresse freure fuerse furfur furrer furres furrfu fusees fusers fusser fusses fusure keefer keeffe keeker kefefs kekes kereks kereru kerker kerkuk kersee kerser keseru keskus kesses keuruu kreese kreker kresek kresse kruuse kukere kukes kurese kurkse kurree kururu kuskus re-use reefer reeffe reeker reekes reeser reeses refeff refers reffus refuse rerees reseek resees reskus resues reuere reuser reuses rreuse ruffer ruffes ruffus rukkus rurkee russer russes russus see-er seeker seesee sekere serefe serere serers sereus serre- serres seruse sesser sesses sessue seurre skerre skreef skreek skruff sssfrs sufers suffer suffes sukere sukkur surfer sursee surses suruke susses susure susurr suuksu ukkers uruffe uruses userer ussess usurer usures