-er -ey -up c-- ccc cce ccn cco ccp ccr ccu ce- cec cee cen ceo cep cer ceu cey cn- cnc cne cnn cno cnp cnr cnu cny co- coc coe con coo cop cor cou coy cpc cpe cpn cpo cpp cpr cpu crc cre crn cro crp crr cru cry cuc cue cun cuo cup cur cuu cuy cyc cye cyn cyo cyp cyr ec- ecc ece ecn eco ecr ecu eec eee een eeo eep eer eey en- enc ene enn eno enp enr enu eny eo- eoc eoe eon eoo eop eor eou ep- epc epe epn epo epp epr epu erc ere ern ero erp err eru ery eu- euc eue eun eup eur eyc eye eyn eyo eyp eyr ncc nce ncn nco ncp ncr ncu ne- nec nee nen neo nep ner neu ney nnc nne nnn nno nnp nnu no- noc noe non noo nop nor nou noy npc npe npn npo npp npr npu nrc nre nrn nro nrp nrr nru nry nuc nue nun nuo nup nur nuu nuy nyc nye nyn nyo nyp nyu nyy oc- occ ocn oco ocp ocr ocu oec oee oen oeo oep oer oey on- onc one onn ono onp onr onu ony oo- ooc oon ooo oop oor op- opc ope opn opo opp opr opy or- orc ore orn oro orp orr oru ory ou- ouc oue oun ouo oup our oye oyo p-p pcc pce pcn pco pcp pcr pcu pec pee pen peo pep per peu pey pn- pnc pne pnn pno pnp pnr pnu pny poc poe pon poo pop por pou poy ppc ppe ppn ppo ppp ppr ppu prc pre prn pro prp prr pru pry puc pue pun pup pur puu puy py- pyc pye pyn pyo pyr pyu rcc rce rcn rco rcp rcr rcu re- rec ree ren reo rep rer reu rey rnc rnn rno rnp rnr rnu rny roc roe ron roo rop ror rou roy rpc rpe rpn rpo rpp rpr rpu rrc rrn rrp rrr rru ruc rue run ruo rup rur ruu ruy ry- ryc rye ryn ryo ryr ryu ryy ucc uce ucn uco ucp ucr ucu uec uee uen uep uer uey un- unc une unn uno unp unr unu uny uoc uoe uon uoo uop uor up- upc upe upn upo upp upr upu ur- urc ure urn uro urp urr uru ury uuc uue uun uur uuu uyc uyo uyu ycc yce yco ycp ycu ycy yec yee yen yeo yep yer yey yne ynn ynp ynu yny yoc yoe yon yoo yop yor you yoy ypo ypu yrc yre yrn yro yrp yru yue yun yuo yup yur yuu yuy yyc yye yyu yyy