-er -ey -up c-- ccc cce ccp ccr ccu ccz ce- cec cee cep cer ceu cey cez cpc cpe cpp cpr cpu cpz crc cre crp crr cru cry crz cuc cue cup cur cuu cuy cuz cyc cye cyp cyr cz- czc cze ec- ecc ece ecr ecu eec eee eep eer eey ep- epc epe epp epr epu epz erc ere erp err eru ery erz eu- euc eue eup eur eyc eye eyp eyr eze ezr ezz p-p pcc pce pcp pcr pcu pec pee pep per peu pey pez ppc ppe ppp ppr ppu ppz prc pre prp prr pru pry prz puc pue pup pur puu puy puz py- pyc pye pyr pyu pzc pzp rcc rce rcp rcr rcu re- rec ree rep rer reu rey rez rpc rpe rpp rpr rpu rpz rrc rrp rrr rru ruc rue rup rur ruu ruy ruz ry- ryc rye ryr ryu ryy ryz rze rzy ucc uce ucp ucr ucu uec uee uep uer uey up- upc upe upp upr upu upz ur- urc ure urp urr uru ury urz uuc uue uur uuu uyc uyu uzu ycc yce ycp ycu ycy yec yee yep yer yey yez ypu yrc yre yrp yru yue yup yur yuu yuy yyc yye yyu yyy yyz yzr yzu yzy zce zec zee zep zer zez zpc zpe zpp zpr zpu zrp zuc zur zuz zzr zzy zzz