effere ekeren enfers enfree enseer enserf erkner ernee eskers essene essess esssse feeres feeses feners fenesk fennek fenner fennes ferens ferfer ferner ferren ferrer ferres fersen fesere fesser fesses freers freese frefre frenes frenne freren freres fresen fresne fresse keefer keeffe keeker keenen keener keenes kefefs kekes kenken kennen kenner kereks kerens kerken kerker kernen kerner kersee kersen kerser kessen kesses kneese kneser kreese kreker krenek kresek kresse neener neeses nefere neffes nerrer nerses nessen nesses reefer reeffe reeker reekes reesen reeser reeses refeff refers rekken reknen renees renens renker renner rennes renren rerees reseek reseen resees resene ressen see-er seeker seesee seesen seffen sekere sekken seneke sennen sensee sensen senser senses sensse serefe serene serere serers serre- serres sesnes sesser sesses skerne skerre skreef skreek skreen skrene sneers snerks sssfrs