-er a-a a-c a-t aaa aac aae aak aao aap aar aat ac- aca acc ace ack aco acp acr act aea aec aee aek aeo aep aer aet aka akc ake akk ako akp akr aoa aoc aoe aok aoo aop aor aot ap- apa apc ape apk apo app apr apt ar- ara arc are ark aro arp arr art at- ata atc ate ato atp atr att c-- caa cac cae cak cao cap car cat cca ccc cce cck cco ccp ccr cct ce- cea cec cee cek ceo cep cer cet cka ckc cko ckt co- coa coc coe cok coo cop cor cot cpa cpc cpe cpk cpo cpp cpr cpt cra crc cre crk cro crp crr crt cta ctc cte ctk cto ctp ctr ctt eaa eac eae eak eao eap ear eat ec- eca ecc ece eck eco ecr ect eea eec eee eek eeo eep eer eet 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 etk eto etp etr ett k-t ka- kaa kac kae kak kao kap kar kat kca kcc kce kck kcp kcr kct ke- kea kec kee kek keo kep ker ket 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 ktk kto ktp ktr ktt oaa oac oae oak oao oap oar oat oc- oca occ ock oco ocp ocr oct oea oec oee oeo oep oer oet oka okc oke okk oko okp okr oo- ooa ooc ook ooo oop oor oot op- opa opc ope 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 pak pao pap par pat pca pcc pce pck pco pcp pcr pct pea pec pee pek peo pep per pet pka pkc pke pko pkp pkr pkt poa poc poe pok poo pop por pot ppa ppc ppe ppk ppo ppp ppr ppt pra prc pre prk pro prp prr prt pt- pta ptc pte ptk pto ptp ptr ptt ra- raa rac rae rak rao rap rar rat rca rcc rce rco rcp rcr rct re- rea rec ree rek reo rep rer ret rkc rke rkk rko rkp rkt roa roc roe rok roo rop ror rot rpa rpc rpe rpk rpo rpp rpr rpt rra rrc rrk rrp rrr rrt rta rtc rte rtk rto rtp rtr rtt taa tac tae tak tao tap tar tat tca tcc tce tck tco tcp tcr tct te- tea tec tee tek teo tep ter tet tka tkc tke tkk tko tkp tkr tkt to- toa toc toe tok too top tor tot tpa tpc tpe tpk tpo tpp tpr tpt tra trc tre trk tro trp trr trt tta ttc tte ttk tto ttp ttr ttt

a-ak a-ok aaaa aaac aaae aaap aaar aaca aacc aace aack aaco aacp aacr aact aaea aaec aaep aaka aake aaoe aaoo aapa aapc aapo aapt aara aarc aare aaro aarp aart aata aatc aatk aatt ac-t acaa acac acae acap acar acat acca accc acce acco accp acct ace- acea acec acek acer acet acke acoa acoe acop acor acot acpa acpe acpr acpt acr- acra acrc acre acro acrr acta actc acte acto actt aeac aeap aect aeer aeka aer- aera aerc aero aeta aetc aeto aetr aett akaa akae akao akap akar akca akee aker akka akko akok akot akpo akr- akra akre akte aoca aoce aokp aopo aora aort aotc apac apak apao apap apar apat apca apcc apco apcr apea apec apep aper apet apke apo- apoc apoe apoo apop apor apot appa appc appr appt apra aprc apre apro aprt apta aptc apte aptt arac arae arak arap arar arat arc- arca arce arco arct area arec aree arek areo arep aret arka arke arko aroa aroe aroo aror arpa arpe arr- arra arrc arre arrk arro arrr arrt arta artc arte arto artr at-t ataa atac atae atak atap atar atat atca atcc atck atco atcr atea atec atee ateo atep ater atka atkt atoc atoe atok atop ator atot atpr atra atrc atre atrk atro atrp atta atte atto attp attr caaa caac caap caat cac- caca cacc cace cack caco cacr caec caer caka cake caor capa capc cape capo capp capt cara carc care cark caro carp carr cart cat- cata catc cate cato catt ccaa ccac ccap ccar ccat ccca cccc cccp ccee ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ccrt cctc cctt ceac cear ceat cec- ceca cece ceco cecp cect ceec ceke ceop ceor cepa cepc cepe cepo cepp cepr cept cer- cera cerc cere cero cerp cert cet- ceta cete ceto cetp ckac ckat ckck ckco cker ckoa ckoc ckoo ckor ckot ckpc ckpr ckrc coak coat coca coce cock coco cocp coct coep cok- coka coke coko cook coop coot copa cope copo copp copr copt cor- cora corc core cork coro corp corr cort cota cotc cote coto cott cpaa cpac cpap cpca cpce cpea cpep cper cppa cpre cprt cptp cptr crac crap crar crat crca crcc crce crcr cre- crea crec cree creo crep cret crkc crkp croc croe crok croo crop cror crot crpc crrt crtc crtp ctae ctca ctcp ctec ctep ctor ctot ctpo ctpp ctrc ctrp ctta eaca eacc eaec eaop eapc eapp eara eare earo earp eart eata eate ecaa ecac ecao ecar ecat ecca eccc ecce ecco ecct ecka ecko eco- ecop ecot ecpa ecpp ecra ecrc ecrr ect- ecta ectc ecto eeca eeea eeee eeka eeke eeoc eera eerc eero eeta eetc eete eka- ekco ekek eker eket ekka ekoa ekpe ekpo ekta eoka eora eore eota