-er a-a a-c aaa aac aae aak aao aap aar ac- aca acc ace ack aco acp acr aea aec aee aek aeo aep aer aka akc ake akk ako akp akr aoa aoc aoe aok aoo aop aor ap- apa apc ape apk apo app apr ar- ara arc are ark aro arp arr c-- caa cac cae cak cao cap car cca ccc cce cck cco ccp ccr ce- cea cec cee cek ceo cep cer cka ckc cko co- coa coc coe cok coo cop cor cpa cpc cpe cpk cpo cpp cpr cra crc cre crk cro crp crr eaa eac eae eak eao eap ear ec- eca ecc ece eck eco ecr eea eec eee eek eeo eep eer eka ekc eke eko ekp ekr eo- eoa eoc eoe eok eoo eop eor ep- epa epc epe epo epp epr era erc ere erk ero erp err ka- kaa kac kae kak kao kap kar kca kcc kce kck kcp kcr ke- kea kec kee kek keo kep ker kkc kke kkk kkp kkr koa koc koe kok koo kop kor kpa kpc kpe kpk kpo kpp kpr kra krc krk kro krp krr oaa oac oae oak oao oap oar oc- oca occ ock oco ocp ocr oea oec oee oeo oep oer oka okc oke okk oko okp okr oo- ooa ooc ook ooo oop oor op- opa opc ope opk opo opp opr or- ora orc ore ork oro orp orr p-p paa pac pae pak pao pap par pca pcc pce pck pco pcp pcr pea pec pee pek peo pep per pka pkc pke pko pkp pkr poa poc poe pok poo pop por ppa ppc ppe ppk ppo ppp ppr pra prc pre prk pro prp prr ra- raa rac rae rak rao rap rar rca rcc rce rco rcp rcr re- rea rec ree rek reo rep rer rkc rke rkk rko rkp roa roc roe rok roo rop ror rpa rpc rpe rpk rpo rpp rpr rra rrc rrk rrp rrr

a-ak a-ok aaaa aaac aaae aaap aaar aaca aacc aace aack aaco aacp aacr aaea aaec aaep aaka aake aaoe aaoo aapa aapc aapo aara aarc aare aaro aarp acaa acac acae acap acar acca accc acce acco accp ace- acea acec acek acer acke acoa acoe acop acor acpa acpe acpr acr- acra acrc acre acro acrr aeac aeap aeer aeka aer- aera aerc aero akaa akae akao akap akar akca akee aker akka akko akok akpo akr- akra akre aoca aoce aokp aopo aora apac apak apao apap apar apca apcc apco apcr apea apec apep aper apke apo- apoc apoe apoo apop apor appa appc appr apra aprc apre apro arac arae arak arap arar arc- arca arce arco area arec aree arek areo arep arka arke arko aroa aroe aroo aror arpa arpe arr- arra arrc arre arrk arro arrr caaa caac caap cac- caca cacc cace cack caco cacr caec caer caka cake caor capa capc cape capo capp cara carc care cark caro carp carr ccaa ccac ccap ccar ccca cccc cccp ccee ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ceac cear cec- ceca cece ceco cecp ceec ceke ceop ceor cepa cepc cepe cepo cepp cepr cer- cera cerc cere cero cerp ckac ckck ckco cker ckoa ckoc ckoo ckor ckpc ckpr ckrc coak coca coce cock coco cocp coep cok- coka coke coko cook coop copa cope copo copp copr cor- cora corc core cork coro corp corr cpaa cpac cpap cpca cpce cpea cpep cper cppa cpre crac crap crar crca crcc crce crcr cre- crea crec cree creo crep crkc crkp croc croe crok croo crop cror crpc eaca eacc eaec eaop eapc eapp eara eare earo earp ecaa ecac ecao ecar ecca eccc ecce ecco ecka ecko eco- ecop ecpa ecpp ecra ecrc ecrr eeca eeea eeee eeka eeke eeoc eera eerc eero eka- ekco ekek eker ekka ekoa ekpe ekpo eoka eora eore epaa epac epcc epec epee eper epoc epor eppa eppc eppo eppp epra epro eprp erap erca ercc erce ercp erec erer erke eroc eroe eroo erpa erpe erra errc erre erro kaaa kaak kaap kaar kacc kace kaco kacp kaeo kaep kaer kaka kakc kake kakk kako kaoa kaoc kaok kaor kap- kapa kapc kape kapo kapp kara kare kark karo karp karr kcaa kcac kcap kcar kcca kccc kcck kccr kcea kcec kcee kceo kcep kckc kckk kcko kckr kcoe kcor kcpa kcpc kcpo kcpr kcrc kcro kcrp kcrr kea- keak keap kear keca keck keco kecr keek keep keer keka kekc keke keko keok kep- kepa kepc kepe ker- kera kerc kere kerk kero kerp kerr kkaa kkac kkap kkar kkck kkco kkcr kkea kkkk kkoa kkoo kkor kkpc kkpk kkrc kkre kkrk kkro kkrr koac koae koak koap koar koca kock kocp koea koka kokc koke kokk koko kokp kokr kooc kook kooo koop koor kopa kope kopp kopr kora korc kore kork koro korr kpac kpae kpak kpao kpar kpcc kpcr kpek kper kpke kpkk kpkr kpoa kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kppr kprc kpre kprk kpro kprp kprr krac krae krak krap krar krca krcc krce krco krea krec kree krek kreo krka krkc krke krkk krko krkr kroa kroc kroe krok kroo krop kror krpa krpr krrc krre krrk krro krrr o-eo oaer oake oara oare ocac ocak ocap occa occc oce ocee ocke ocpa ocpp ocra ocre ocro ocrr oec- oeca oecc oeec oepa oera oere okak okap oker okka okko okok okor okpe okpo okra okre okro ooaa ooak oocr ooer oooo oora oore opap opar opca opec opep oper opo- opor oppa oppo opra orac orae orak orao orar orca orce orco ore- orea orec orek oreo orer orka orke orko oro- oroe orok oror orpc orpe orra orro paak paap paar paca pace pack paco paea paec paep paer paka pake pako paoc papa