ccccc ceere ceese cerc- cerce cercs cerec cerer ceres cerfs cerre cerrs cerse cerss cesce cescr cesse crece creer crees cresc crese cress creve crres csere cvrce ecser eeeee eevee eever eeves efere effer erecs erere ereve erres erses esces esere esref esser esses essse evere everr evers evese eveve evres feces feere feers feese ferce feres ferr- ferre ferse feser fesse fever feves fevre frcsc freer frees frere frese fress recce reece reecs reefe reefs reere reese reeve refer reffe rere- reree reres resee reses resse rever reves revvs rsssf rvers scere screc scree secre seece seere seers seese seeve sefer sefes seffe serce serec seref serer seres serfe serff serfs serre serse serss serve sesce seser seses sesse sevce sevec sever srvcc sssss v-src vecer veere veers veeve veres verre verse verss verve vesce vesec veses vesre vesse vevce vever vrees vrsce