-er c-- c-j ccc cce ccj cck cco ccp ccr ccs cct ce- cec cee cej cek ceo cep cer ces cet cjc cjk cjp cjr cjs ckc cko cks ckt co- coc coe coj cok coo cop cor cos cot cpc cpe cpj cpk cpo cpp cpr cps cpt crc cre crj crk cro crp crr crs crt csc cse csj csk cso csp csr css cst ctc cte ctk cto ctp ctr cts ctt ec- ecc ece ecj eck eco ecr ecs ect eec eee eek eeo eep eer ees eet ejc ejo ejp ejt ekc eke eko ekp ekr eks ekt eo- eoc eoe eok eoo eop eor eos eot ep- epc epe epo epp epr eps ept erc ere erk ero erp err ers ert es- esc ese esk eso esp esr ess est etc ete etj etk eto etp etr ets ett jcc jce jck jco jcp jcr jcs jct jec jee jej jek jeo jep jer jes jet jjc jjj jjk jjp jjr jjs jkk jko jkp jkr jks jkt joc joe joj jok joo jop jor jos jot jpc jpe jpj jpo jpp jpr jps jpt jrc jrk jro jrp jrr jrs jrt jsc jse jsj jsk jso jsp jsr jss jst jtc jte jtk jtp jtr jts jtt k-t kcc kce kck kcp kcr kcs kct ke- kec kee kek keo kep ker kes ket kjc kje kjr kjs kkc kke kkk kkp kkr kks kkt koc koe kok koo kop kor kos kot kpc kpe kpk kpo kpp kpr kps kpt krc krk kro krp krr krs krt ksc kse ksk kso ksp ksr kss kst ktc kte ktj ktk kto ktp ktr kts ktt oc- occ ocj ock oco ocp ocr ocs oct oec oee oeo oep oer oes oet ojc oje ojo ojs okc oke okj okk oko okp okr oks oo- ooc ook ooo oop oor oos oot op- opc ope opj opk opo opp opr ops opt or- orc ore ork oro orp orr ors ort os- osc ose osj osk oso osp osr oss ost ot- otc ote otk oto otp otr ots ott p-p pcc pce pcj pck pco pcp pcr pcs pct pec pee pek peo pep per pes pet pjc pjo pjp pjs pkc pke pko pkp pkr pks pkt poc poe pok poo pop por pos pot ppc ppe ppj ppk ppo ppp ppr pps ppt prc pre prk pro prp prr prs prt ps- psc pse psj psk pso psp psr pss pst pt- ptc pte ptj ptk pto ptp ptr pts ptt rcc rce rcj rco rcp rcr rcs rct re- rec ree rek reo rep rer res ret rjc rjk rjp rjr rkc rke rkk rko rkp rks rkt roc roe roj rok roo rop ror ros rot rpc rpe rpk rpo rpp rpr rps rpt rrc rrk rrp rrr rrs rrt rsc rse rsj rsk rso rsp rsr rss rst rtc rte rtj rtk rto rtp rtr rts rtt scc sce scj sck sco scp scr scs sct se- sec see sej sek seo sep ser ses set sjc sje sjj sjk sjp sjr sjs sjt sk- skc ske skj skk sko skp skr sks skt soc soe soj sok soo sop sor sos sot spc spe spk spo spp spr sps spt sr- src sre srj srk sro srp srr srs srt ss- ssc sse ssj ssk sso ssp ssr sss sst stc ste stj stk sto stp str sts stt tcc tce tcj tck tco tcp tcr tcs tct te- tec tee tej tek teo tep ter tes tet tjc tje tjo tjp tjr tjs tkc tke tkk tko tkp tkr tks tkt to- toc toe toj tok too top tor tos tot tpc tpe tpj tpk tpo tpp tpr tps tpt trc tre trk tro trp trr trs trt tsc tse tsj tsk tso tsp tsr tss tst ttc tte ttk tto ttp ttr tts ttt