-er -ey c-- ccc cce cck ccp ccr cct ce- cec cee cek cep cer cet cey ckc ckt cky cpc cpe cpk cpp cpr cpt crc cre crk crp crr crt cry ctc cte ctk ctp ctr ctt cty cyc cye cyk cyp cyr cyt ec- ecc ece eck ecr ect eec eee eek eep eer eet eey ekc eke ekp ekr ekt eky ep- epc epe epp epr ept erc ere erk erp err ert ery etc ete etk etp etr ett ety eyc eye eyp eyr eyt k-t kcc kce kck kcp kcr kct ke- kec kee kek kep ker ket key kkc kke kkk kkp kkr kkt kky kpc kpe kpk kpp kpr kpt krc krk krp krr krt kry ktc kte ktk ktp ktr ktt kyc kye kyp kyr kyt p-p pcc pce pck pcp pcr pct pec pee pek pep per pet pey pkc pke pkp pkr pkt pky ppc ppe ppk ppp ppr ppt prc pre prk prp prr prt pry pt- ptc pte ptk ptp ptr ptt pty py- pyc pye pyk pyr pyt rcc rce rcp rcr rct re- rec ree rek rep rer ret rey rkc rke rkk rkp rkt rky rpc rpe rpk rpp rpr rpt rrc rrk rrp rrr rrt rtc rte rtk rtp rtr rtt rty ry- ryc rye ryk ryr ryy tcc tce tck tcp tcr tct te- tec tee tek tep ter tet tey tkc tke tkk tkp tkr tkt tky tpc tpe tpk tpp tpr tpt trc tre trk trp trr trt try ttc tte ttk ttp ttr ttt tty tyc tye typ tyr tyt ycc yce ycp ycy yec yee yek yep yer yet yey ykk yrc yre yrp yrt ytc yte ytk ytp ytr ytt yyc yye yyt yyy