AGE; EEL; EEN; ERE; ERG; ERN; GAE; GEE; GEL; GEN; GEO; HEN; HER; HUI; LEA; LEE; LEG; LEP; LEZ; LOU; LUR; NEE; NEG; OIL; OLE; OUR; PEA; PEE; PEG; PER; REE; REG; REH; REN; REO; REP; REZ; ULE; URE; URN; ZEE; ZEL; ZEP; ZOL.
AGEE; AGEN; AGER; EGER; EPEE; ERNE; GEEP; GEEZ; GERE; GREE; GREN; HEEL; HERE; HERL; HERN; HULE; HURL; ILEA; IURE; LEEP; LEER; LERE; LOUR; LURE; NEEP; OLEA; OURN; PEAG; PEEL; PEEN; PEER; PELE; PERE; PERN; REEL; REEN; RULE; UREA; URGE.
AGREE; EAGER; EAGRE; GELEE; GENRE; GERLE; GERNE; GREEN; LEGER; LEPER; LOURE; NEELE; OILER; PEAGE; PEREA; REOIL; REPEG; REPEL.
HEELER.