-er -ey -up c-- ccc cce cco ccp ccr ccs ccu ce- cec cee ceo cep cer ces ceu cey co- coc coe coo cop cor cos cou coy cpc cpe cpo cpp cpr cps cpu crc cre cro crp crr crs cru cry csc cse cso csp csr css csu csy cuc cue cuo cup cur cus cuu cuy cyc cye cyo cyp cyr cys ec- ecc ece eco ecr ecs ecu eec eee eeo eep eer ees eey eo- eoc eoe eoo eop eor eos eou ep- epc epe epo epp epr eps epu erc ere ero erp err ers eru ery es- esc ese eso esp esr ess esu esy eu- euc eue eup eur eus eyc eye eyo eyp eyr eys oc- occ oco ocp ocr ocs ocu oec oee oeo oep oer oes oey oo- ooc ooo oop oor oos op- opc ope opo opp opr ops opy or- orc ore oro orp orr ors oru ory os- osc ose oso osp osr oss osu ou- ouc oue ouo oup our ous oye oyo oys p-p pcc pce pco pcp pcr pcs pcu pec pee peo pep per pes peu pey poc poe poo pop por pos pou poy ppc ppe ppo ppp ppr pps ppu prc pre pro prp prr prs pru pry ps- psc pse pso psp psr pss psu psy puc pue pup pur pus puu puy py- pyc pye pyo pyr pys pyu rcc rce rco rcp rcr rcs rcu re- rec ree reo rep rer res reu rey roc roe roo rop ror ros rou roy rpc rpe rpo rpp rpr rps rpu rrc rrp rrr rrs rru rsc rse rso rsp rsr rss rsu ruc rue ruo rup rur rus ruu ruy ry- ryc rye ryo ryr rys ryu ryy scc sce sco scp scr scs scu se- sec see seo sep ser ses seu sey soc soe soo sop sor sos sou soy spc spe spo spp spr sps spu spy sr- src sre sro srp srr srs sry ss- ssc sse sso ssp ssr sss ssu suc sue suo sup sur sus suu suy sy- syc sye syp syr sys syu ucc uce uco ucp ucr ucs ucu uec uee uep uer ues uey uoc uoe uoo uop uor uos up- upc upe upo upp upr ups upu ur- urc ure uro urp urr urs uru ury usc use uso usp usr uss usu uuc uue uur uus uuu uyc uyo uys uyu ycc yce yco ycp ycs ycu ycy yec yee yeo yep yer yes yey yoc yoe yoo yop yor yos you yoy ypo yps ypu yrc yre yro yrp yrs yru ysc yse yso ysp ysr yss ysu ysy yue yuo yup yur yus yuu yuy yyc yye yys yyu yyy