-er a-a a-c aaa aac aae aak aao aar aav ac- aca acc ace ack aco acr acv aea aec aee aek aeo aer aev aka akc ake akk ako akr akv aoa aoc aoe aok aoo aor aov ar- ara arc are ark aro arr arv av- ava avc ave avk avo avr c-- caa cac cae cak cao car cav cca ccc cce cck cco ccr ccv ce- cea cec cee cek ceo cer cev cka ckc cko co- coa coc coe cok coo cor cov cra crc cre crk cro crr crv cva cvc cve cvk cvo cvr cvv eaa eac eae eak eao ear eav ec- eca ecc ece eck eco ecr ecv eea eec eee eek eeo eer eev eka ekc eke eko ekr ekv eo- eoa eoc eoe eok eoo eor era erc ere erk ero err erv eva evc eve evo evr evv ka- kaa kac kae kak kao kar kav kca kcc kce kck kcr ke- kea kec kee kek keo ker kev kkc kke kkk kkr kkv koa koc koe kok koo kor kra krc krk kro krr krv kva kvk kvo kvr kvv oaa oac oae oak oao oar oav oc- oca occ ock oco ocr ocv oea oec oee oeo oer oka okc oke okk oko okr oo- ooa ooc ook ooo oor oov or- ora orc ore ork oro orr orv ov- ova ovc ove ovo ovv ra- raa rac rae rak rao rar rav rca rcc rce rco rcr rcv re- rea rec ree rek reo rer rev rkc rke rkk rko rkv roa roc roe rok roo ror rov rra rrc rrk rrr rva rvc rve rvo rvr rvv v-a v-e vaa vac vae vak vao var vav vca vcc vce vco vcr vea vec vee vek veo ver vka voa voc voe vok voo vor vov vra vrc vre vrk vrr vva vvc vvo vvr vvv

-vac a-ak a-ok aaaa aaac aaae aaar aaav aaca aacc aace aack aaco aacr aacv aaea aaec aaev aaka aake aaoe aaoo aara aarc aare aaro aava acaa acac acae acar acca accc acce acco ace- acea acec acek acer acev acke acoa acoe acor acr- acra acrc acre acro acrr acrv acvv aeac aeer aeka aer- aera aerc aero aeva akaa akae akao akar akca akee aker akka akko akok akr- akra akre aoca aoce aora arac arae arak arar arc- arca arce arco area arec aree arek areo arev arka arke arko aroa aroe aroo aror arr- arra arrc arre arrk arro arrr arva arve arvo avao avar avcc avce avco avea avec aveo aver avor avra avre avro avva avvo caaa caac cac- caca cacc cace cack caco cacr caec caer caka cake caor cara carc care cark caro carr cava cave cavo ccaa ccac ccar ccca cccc cccv ccee ccoc ccra ccrc ccre ccvo ceac cear cec- ceca cece ceco ceec ceke ceor cer- cera cerc cere cero ceva cevo ckac ckck ckco ckcv cker ckoa ckoc ckoo ckor ckrc ckvo coak coca coce cock coco cok- coka coke coko cook cor- cora corc core cork coro corr cova cove covo crac crar crca crcc crce crcr cre- crea crec cree creo crkc croc croe crok croo cror cvac cvar cvca cvcc cver cvra cvrr eaca eacc eaec eara eare earo eave ecaa ecac ecao ecar ecca eccc ecce ecco ecka ecko eco- ecra ecrc ecrr ecrv eeca eeea eeee eeka eeke eeoc eera eerc eero eeva eka- ekco ekek eker ekka ekoa eoka eora eore erca ercc erce erec erer erev erke eroc eroe eroo erra errc erre erro erve evac evae evar evea ever evoe evoo evra evre evvk kaaa kaak kaar kacc kace kaco kacv kaeo kaer kaka kakc kake kakk kako kaoa kaoc kaok kaor kara kare kark karo karr karv kava kave kavo kavv kcaa kcac kcar kcav kcca kccc kcck kccr kccv kcea kcec kcee kceo kckc kckk kcko kckr kckv kcoe kcor kcrc kcro kcrr kcrv kcvk kcvo kcvr kcvv kea- keak kear keca keck keco kecr keek keer keka kekc keke keko keok ker- kera kerc kere kerk kero kerr kerv keva keve kkaa kkac kkar kkck kkco kkcr kkea kkkk kkoa kkoo kkor kkov kkrc kkre kkrk kkro kkrr kkrv kkvr kkvv koac koae koak koar koca kock koea koka kokc koke kokk koko kokr kooc kook kooo koor koov kora korc kore kork koro korr korv kova kovc kove kovk kovo kovr krac krae krak krar krav krca krcc krce krco krea krec kree krek kreo krev krka krkc krke krkk krko krkr krkv kroa kroc kroe krok kroo kror krov krrc krre krrk krro krrr krva krvc krve krvk krvo krvr krvv kvak kvar kvcc kvce kvck kvco kvcr kvcv kvea kvec kver kvoa kvoc kvoe kvok kvoo kvor kvov kvra kvrc kvre kvro kvrr kvrv kvvr kvvv o-eo oaer oake oara oare ocac ocak occa occc oce ocee ocke ocra ocre ocro ocrr oec- oeca oecc oeec oera oere okak oker okka okko okok okor okra okre okro ooaa ooak oocr ooer oooo oora oore orac orae orak orao orar orav orca orce orco ore- orea orec orek oreo orer orka orke orko oro- oroe orok oror orra orro orve orvr ovar ovee over ovo- ovoo ovra ovre raak rac- raca racc race rack raco racv raec raer raka rake rakk raoc raok rara rare rark raro rava rave rcac rccc rcvr rea- reac reae reak reao rear reca recc rece reck recr reek reev reka reke reko rera rere rero reva reve revo roak roar roca rocc roce rock roco roea roer roev roka roke rokk roko rokr rook roor rora rorc rore rork roro rova rove rovo rrrr rv-c rvca rver vaar vaca vace vack vaco vaka vake vara vare vark varr vava veak vear vecc veck veer veka veke veor ver- vera vere verk vero veve vevo vkor voar voca voce voer voka voke vooc voor vor- vora vore voro