-er -ey -up c-- ccc cce cco ccp ccr ccu ce- cec cee ceo cep cer ceu cey co- coc coe coo cop cor cou coy cpc cpe cpo cpp cpr cpu crc cre cro crp crr cru cry cuc cue cuo cup cur cuu cuy cyc cye cyo cyp cyr ec- ecc ece eco ecr ecu eec eee eeo eep eer eey eo- eoc eoe eoo eop eor eou ep- epc epe epo epp epr epu erc ere ero erp err eru ery eu- euc eue eup eur eyc eye eyo eyp eyr oc- occ oco ocp ocr ocu oec oee oeo oep oer oey oo- ooc ooo oop oor op- opc ope opo opp opr opy or- orc ore oro orp orr oru ory ou- ouc oue ouo oup our oye oyo p-p pcc pce pco pcp pcr pcu pec pee peo pep per peu pey poc poe poo pop por pou poy ppc ppe ppo ppp ppr ppu prc pre pro prp prr pru pry puc pue pup pur puu puy py- pyc pye pyo pyr pyu rcc rce rco rcp rcr rcu re- rec ree reo rep rer reu rey roc roe roo rop ror rou roy rpc rpe rpo rpp rpr rpu rrc rrp rrr rru ruc rue ruo rup rur ruu ruy ry- ryc rye ryo ryr ryu ryy ucc uce uco ucp ucr ucu uec uee uep uer uey uoc uoe uoo uop uor up- upc upe upo upp upr upu ur- urc ure uro urp urr uru ury uuc uue uur uuu uyc uyo uyu ycc yce yco ycp ycu ycy yec yee yeo yep yer yey yoc yoe yoo yop yor you yoy ypo ypu yrc yre yro yrp yru yue yuo yup yur yuu yuy yyc yye yyu yyy