-er a-a a-c a-t aaa aac aae aaj aak aao aap aar aas aat ac- aca acc ace acj ack aco acp acr acs act aea aec aee aej aek aeo aep aer aes aet aja ajc aje ajj ajk ajo ajp ajr ajs ajt aka akc ake akj akk ako akp akr aks aoa aoc aoe aoj aok aoo aop aor aos aot ap- apa apc ape apj apk apo app apr aps apt ar- ara arc are arj ark aro arp arr ars art as- asa asc ase asj ask aso asp asr ass ast at- ata atc ate ato atp atr ats att c-- c-j caa cac cae caj cak cao cap car cas cat cca ccc cce ccj cck cco ccp ccr ccs cct ce- cea cec cee cej cek ceo cep cer ces cet cja cjc cjk cjp cjr cjs cka ckc cko cks ckt co- coa coc coe coj cok coo cop cor cos cot cpa cpc cpe cpj cpk cpo cpp cpr cps cpt cra crc cre crj crk cro crp crr crs crt csa csc cse csj csk cso csp csr css cst cta ctc cte ctk cto ctp ctr cts ctt eaa eac eae eaj eak eao eap ear eas eat ec- eca ecc ece ecj eck eco ecr ecs ect eea eec eee eek eeo eep eer ees eet eja ejc ejo ejp ejt eka ekc eke eko ekp ekr eks ekt eo- eoa eoc eoe eok eoo eop eor eos eot ep- epa epc epe epo epp epr eps ept era erc ere erk ero erp err ers ert es- esa esc ese esk eso esp esr ess est eta etc ete etj etk eto etp etr ets ett jaa jac jae jaj jak jao jap jar jas jat jca jcc jce jck jco jcp jcr jcs jct jea jec jee jej jek jeo jep jer jes jet jja jjc jjj jjk jjp jjr jjs jka jkk jko jkp jkr jks jkt joa joc joe joj jok joo jop jor jos jot jpa jpc jpe jpj jpo jpp jpr jps jpt jra jrc jrk jro jrp jrr jrs jrt jsa jsc jse jsj jsk jso jsp jsr jss jst jta jtc jte jtk jtp jtr jts jtt k-t ka- kaa kac kae kaj kak kao kap kar kas kat kca kcc kce kck kcp kcr kcs kct ke- kea kec kee kek keo kep ker kes ket kjc kje kjr kjs kkc kke kkk kkp kkr kks kkt koa koc koe kok koo kop kor kos kot kpa kpc kpe kpk kpo kpp kpr kps kpt kra krc krk kro krp krr krs krt ksa ksc kse ksk kso ksp ksr kss kst kta ktc kte ktj ktk kto ktp ktr kts ktt oaa oac oae oaj oak oao oap oar oas oat oc- oca occ ocj ock oco ocp ocr ocs oct oea oec oee oeo oep oer oes oet oja ojc oje ojo ojs oka okc oke okj okk oko okp okr oks oo- ooa ooc ook ooo oop oor oos oot op- opa opc ope opj opk opo opp opr ops opt or- ora orc ore ork oro orp orr ors ort os- osa osc ose osj osk oso osp osr oss ost ot- ota otc ote otk oto otp otr ots ott p-p paa pac pae paj pak pao pap par pas pat pca pcc pce pcj pck pco pcp pcr pcs pct pea pec pee pek peo pep per pes pet pja pjc pjo pjp pjs pka pkc pke pko pkp pkr pks pkt poa poc poe pok poo pop por pos pot ppa ppc ppe ppj ppk ppo ppp ppr pps ppt pra prc pre prk pro prp prr prs prt ps- psa psc pse psj psk pso psp psr pss pst pt- pta ptc pte ptj ptk pto ptp ptr pts ptt ra- raa rac rae raj rak rao rap rar ras rat rca rcc rce rcj rco rcp rcr rcs rct re- rea rec ree rek reo rep rer res ret rja rjc rjk rjp rjr rkc rke rkk rko rkp rks rkt roa roc roe roj rok roo rop ror ros rot rpa rpc rpe rpk rpo rpp rpr rps rpt rra rrc rrk rrp rrr rrs rrt rsa rsc rse rsj rsk rso rsp rsr rss rst rta rtc rte rtj rtk rto rtp rtr rts rtt saa sac sae saj sak sao sap sar sas sat sca scc sce scj sck sco scp scr scs sct se- sea sec see sej sek seo sep ser ses set sja sjc sje sjj sjk sjp sjr sjs sjt sk- ska skc ske skj skk sko skp skr sks skt soa soc soe soj sok soo sop sor sos sot spa spc spe spk spo spp spr sps spt sr- sra src sre srj srk sro srp srr srs srt ss- ssa ssc sse ssj ssk sso ssp ssr sss sst sta stc ste stj stk sto stp str sts stt taa tac tae taj tak tao tap tar tas tat tca tcc tce tcj tck tco tcp tcr tcs tct te- tea tec tee tej tek teo tep ter tes tet tjc tje tjo tjp tjr tjs tka tkc tke tkk tko tkp tkr tks tkt to- toa toc toe toj tok too top tor tos tot tpa tpc tpe tpj tpk tpo tpp tpr tps tpt tra trc tre trk tro trp trr trs trt tsa tsc tse tsj tsk tso tsp tsr tss tst tta ttc tte ttk tto ttp ttr tts ttt