ceecee ceesse cercie cercis cercus cereus cerice cerici cerise cerris cersei ceruce ceruse cesser cesses cesure cicree cicure circes circue circus cirice cirici cirri- cirrus ciseri cisers cisiec cissie cissus ciucci creese creise cresce cresse cresus creuse crieff criers crises crisic crisis crisse crisus cruces crucis cruife cruise cruisr cruris cruses crusie crusis csecse cucice cucici cuffee cuffer cui-ui cuirie cuisse curcic curers curfur curies curius currer currie cursee curser curses cursie cursus cuscus cusecs cusser cusses ecesic ecesis ecrier ecrire ecurie eerier effeir effere effuse eiries eissee er-rif ercuis eresie eresus ericii erises ersure eruci- erucic escuis escuse essess essies esssse essuie essure euerie f-fcsr fecies feeres feerie feeses feifer feirie feiser ferfer ferier ferrer ferres ferri- ferric ferrie ferris ferrur ferrus fersie fescue fesere fesser fesses fiefie fierce fierse fiesse fifers firees firers firies fiscus fiser fisser fissi- freers freese frefre freire freres fresse freure fricis friers friese friess frises frisii fuerse furfie furfur furies furrer furres furrfu fuscus fusees fusers fusser fusses fusure i-crei i-free i-rise iffier irises irrsee isere iseres isises isseis issers issuer issues isurus re-use recces recess recice recife recrue recrui recuer recure recurs recuse reefer reeffe reeser reeses refeff refers reffus refire refrei refuce refuis refuse reices reiser reises rerees rerise rescue resees resesi resice resues reueir reueis reuere reuire reuiss reuser reuses reusie reussi riccus ricers ricice rieser rif-cs riffer rififi risees risers rissec riuere riuers rreuse ruccus rucici ruffec ruffer ruffes ruffie ruffus rufies ruisse ruscus rusiec russer russes russus scerri sci-fi scifis sciref scirii scirus scises screef screes scrief scries scruff scruse scuffe scuffs scurer scurff scurfs secess secres secuer secure see-er seeifi seesee seifer seirce seires seiser seises sercer sercus serefe serere serers sereus serici series seriff serifs serirs serius serre- serres serri- serris seruse sessei sesser sesses sessue seurre seurri sferic siccer siccus siecie sierce sierre sierse sieurs sifrei siiiii sircue siress siriri sirise sirius sirree sirris sirsir sisers sisice sisici sisisi sisses siuier srises sssfrs succur succus sucres sucuri sufers suffer suffes suffie suisei suisse sureis surfer surfie surice sursee surses sursie suruc suseri susice susiec susses susure susurr urceus urcice uresis urisee urries urucui uruffe uruses userer usiris ussess ussies ussuri usurei usurer usures