-er a-a a-c a-t aaa aac aae aaj aak aao aap aar aat ac- aca acc ace acj ack aco acp acr act aea aec aee aej aek aeo aep aer aet aja ajc aje ajj ajk ajo ajp ajr ajt aka akc ake akj akk ako akp akr aoa aoc aoe aoj aok aoo aop aor aot ap- apa apc ape apj apk apo app apr apt ar- ara arc are arj ark aro arp arr art at- ata atc ate ato atp atr att c-- c-j caa cac cae caj cak cao cap car cat cca ccc cce ccj cck cco ccp ccr cct ce- cea cec cee cej cek ceo cep cer cet cja cjc cjk cjp cjr cka ckc cko ckt co- coa coc coe coj cok coo cop cor cot cpa cpc cpe cpj cpk cpo cpp cpr cpt cra crc cre crj crk cro crp crr crt cta ctc cte ctk cto ctp ctr ctt eaa eac eae eaj eak eao eap ear eat ec- eca ecc ece ecj eck eco ecr ect eea eec eee eek eeo eep eer eet eja ejc ejo ejp ejt eka ekc eke eko ekp ekr ekt eo- eoa eoc eoe eok eoo eop eor eot ep- epa epc epe epo epp epr ept era erc ere erk ero erp err ert eta etc ete etj etk eto etp etr ett jaa jac jae jaj jak jao jap jar jat jca jcc jce jck jco jcp jcr jct jea jec jee jej jek jeo jep jer jet jja jjc jjj jjk jjp jjr jka jkk jko jkp jkr jkt joa joc joe joj jok joo jop jor jot jpa jpc jpe jpj jpo jpp jpr jpt jra jrc jrk jro jrp jrr jrt jta jtc jte jtk jtp jtr jtt k-t ka- kaa kac kae kaj kak kao kap kar kat kca kcc kce kck kcp kcr kct ke- kea kec kee kek keo kep ker ket kjc kje kjr kkc kke kkk kkp kkr kkt koa koc koe kok koo kop kor kot kpa kpc kpe kpk kpo kpp kpr kpt kra krc krk kro krp krr krt kta ktc kte ktj ktk kto ktp ktr ktt oaa oac oae oaj oak oao oap oar oat oc- oca occ ocj ock oco ocp ocr oct oea oec oee oeo oep oer oet oja ojc oje ojo oka okc oke okj okk oko okp okr oo- ooa ooc ook ooo oop oor oot op- opa opc ope opj opk opo opp opr opt or- ora orc ore ork oro orp orr ort ot- ota otc ote otk oto otp otr ott p-p paa pac pae paj pak pao pap par pat pca pcc pce pcj pck pco pcp pcr pct pea pec pee pek peo pep per pet pja pjc pjo pjp pka pkc pke pko pkp pkr pkt poa poc poe pok poo pop por pot ppa ppc ppe ppj ppk ppo ppp ppr ppt pra prc pre prk pro prp prr prt pt- pta ptc pte ptj ptk pto ptp ptr ptt ra- raa rac rae raj rak rao rap rar rat rca rcc rce rcj rco rcp rcr rct re- rea rec ree rek reo rep rer ret rja rjc rjk rjp rjr rkc rke rkk rko rkp rkt roa roc roe roj rok roo rop ror rot rpa rpc rpe rpk rpo rpp rpr rpt rra rrc rrk rrp rrr rrt rta rtc rte rtj rtk rto rtp rtr rtt taa tac tae taj tak tao tap tar tat tca tcc tce tcj tck tco tcp tcr tct te- tea tec tee tej tek teo tep ter tet tjc tje tjo tjp tjr tka tkc tke tkk tko tkp tkr tkt to- toa toc toe toj tok too top tor tot tpa tpc tpe tpj tpk tpo tpp tpr tpt tra trc tre trk tro trp trr trt tta ttc tte ttk tto ttp ttr ttt