CES; CRE; CRU; CUT; DER; DES; ECU; ERG; GRE; KEN; NEE; NES; REE; REG; RUT; SEC; SEN; URE.
CENS; CREE; CRUT; CURE; DECK; DECU; ECRU; ERGS; GEEK; GENS; GREC; GREE; GRES; KENS; NECK; NEES; RECK; RECU; REES; REGS; REND; RUCK; SECU; TURC; UREE; URES; URGE.
CENSE; CREES; CUREE; CURES; DECRU; DECUT; DENSE; GREES; GRESE; RECUT; RENDS; SERGE; UREES.
CUREES; DECRUT.