-er -ey c-- ccc cce cco ccp ccr cct ce- cec cee ceo cep cer cet cey co- coc coe coo cop cor cot coy cpc cpe cpo cpp cpr cpt crc cre cro crp crr crt cry ctc cte cto ctp ctr ctt cty cyc cye cyo cyp cyr cyt ec- ecc ece eco ecr ect eec eee eeo eep eer eet eey eo- eoc eoe eoo eop eor eot ep- epc epe epo epp epr ept erc ere ero erp err ert ery etc ete eto etp etr ett ety eyc eye eyo eyp eyr eyt oc- occ oco ocp ocr oct oec oee oeo oep oer oet oey oo- ooc ooo oop oor oot op- opc ope opo opp opr opt opy or- orc ore oro orp orr ort ory ot- otc ote oto otp otr ott oye oyo p-p pcc pce pco pcp pcr pct pec pee peo pep per pet pey poc poe poo pop por pot poy ppc ppe ppo ppp ppr ppt prc pre pro prp prr prt pry pt- ptc pte pto ptp ptr ptt pty py- pyc pye pyo pyr pyt rcc rce rco rcp rcr rct re- rec ree reo rep rer ret rey roc roe roo rop ror rot roy rpc rpe rpo rpp rpr rpt rrc rrp rrr rrt rtc rte rto rtp rtr rtt rty ry- ryc rye ryo ryr ryy tcc tce tco tcp tcr tct te- tec tee teo tep ter tet tey to- toc toe too top tor tot toy tpc tpe tpo tpp tpr tpt trc tre tro trp trr trt try ttc tte tto ttp ttr ttt tty tyc tye tyo typ tyr tyt ycc yce yco ycp ycy yec yee yeo yep yer yet yey yoc yoe yoo yop yor yot yoy ypo yrc yre yro yrp yrt ytc yte yto ytp ytr ytt yyc yye yyt yyy