-er a-a a-c aaa aac aae aak aao aar aau ac- aca acc ace ack aco acr acu aea aec aee aek aeo aer aeu aka akc ake akk ako akr aku aoa aoc aoe aok aoo aor aou ar- ara arc are ark aro arr aru au- aua auc aue auk auo aur c-- caa cac cae cak cao car cau cca ccc cce cck cco ccr ccu ce- cea cec cee cek ceo cer ceu cka ckc cko co- coa coc coe cok coo cor cou cra crc cre crk cro crr cru cua cuc cue cuk cuo cur cuu eaa eac eae eak eao ear eau ec- eca ecc ece eck eco ecr ecu eea eec eee eek eeo eer eka ekc eke eko ekr eku eo- eoa eoc eoe eok eoo eor eou era erc ere erk ero err eru eu- eua euc eue eur ka- kaa kac kae kak kao kar kau kca kcc kce kck kcr kcu ke- kea kec kee kek keo ker kkc kke kkk kkr kku koa koc koe kok koo kor kou kra krc krk kro krr kru kuc kue kuk kur kuu oaa oac oae oak oao oar oau oc- oca occ ock oco ocr ocu oea oec oee oeo oer oka okc oke okk oko okr oku oo- ooa ooc ook ooo oor or- ora orc ore ork oro orr oru ou- oua ouc oue ouk ouo our ra- raa rac rae rak rao rar rau rca rcc rce rco rcr rcu re- rea rec ree rek reo rer reu rkc rke rkk rko rku roa roc roe rok roo ror rou rra rrc rrk rrr rru rua ruc rue ruk ruo rur ruu ua- uaa uac uae uak uao uar uau uca ucc uce uck uco ucr ucu uea uec uee uer uka ukc uke ukk ukr uku uoa uoc uoe uok uoo uor ur- ura urc ure urk uro urr uru uua uuc uue uur uuu

a-ak a-ok aaaa aaac aaae aaar aaca aacc aace aack aaco aacr aacu aaea aaec aaka aake aaku aaoe aaoo aara aarc aare aaro aaru acaa acac acae acar acca accc acce acco accu ace- acea acec acek acer acke acoa acoe acor acou acr- acra acrc acre acro acrr acu- acue acuo acur aeac aeer aeka aer- aera aerc aero akaa akae akao akar akca akee aker akeu akka akko akku akok akr- akra akre akua aoca aoce aoeu aora arac arae arak arar arau arc- arca arce arco area arec aree arek areo areu arka arke arko aroa aroe aroo aror arr- arra arrc arre arrk arro arrr arru arua arue auaa auca auce auer auke aur- aura aure auro caaa caac cac- caca cacc cace cack caco cacr caec caer caeu caka cake caor cara carc care cark caro carr cauc cauk cauo ccaa ccac ccar ccca cccc cccu ccee ccoc ccra ccrc ccre ccuc ceac cear cec- ceca cece ceco ceec ceke ceor ceou cer- cera cerc cere cero ckac ckck ckco cker ckoa ckoc ckoo ckor ckrc coak coca coce cock coco cocu cok- coka coke coko cook cor- cora corc core cork coro corr coua coue couk cour crac crar crau crca crcc crce crcr cre- crea crec cree creo creu crkc croc croe crok croo cror crue cruk cuau cuca cucc cuce cuck cuek cuer cuk- cuka cuke cura cure curo curr eaca eacc eaec eara eare earo ecaa ecac ecao ecar ecca eccc ecce ecco ecka ecko eco- ecou ecra ecrc ecrr ecru ecua eeca eeea eeee eeka eeke eeoc eera eerc eero eka- ekco ekek eker ekka ekoa ekur eoka eora eore erau erca ercc erce erec erer erke eroc eroe eroo erra errc erre erro erua eruc erur euer eur- eura eurc eure euro kaaa kaak kaar kacc kace kaco kacu kaeo kaer kaka kakc kake kakk kako kaku kaoa kaoc kaok kaor kara kare kark karo karr karu kau- kauc kaue kauk kauo kaur kcaa kcac kcar kcau kcca kccc kcck kccr kccu kcea kcec kcee kceo kceu kckc kckk kcko kckr kcoe kcor kcou kcrc kcro kcrr kcru kcua kcue kcuk kea- keak kear keau keca keck keco kecr keek keer keka kekc keke keko keku keok ker- kera kerc kere kerk kero kerr keru keur kkaa kkac kkar kkck kkco kkcr kkea kkkk kkoa kkoo kkor kkrc kkre kkrk kkro kkrr kkua kkuu koac koae koak koar koca kock koea koka kokc koke kokk koko kokr koku kooc kook kooo koor koou kora korc kore kork koro korr koru koua koue kour kouu krac krae krak krar krca krcc krce krco krcu krea krec kree krek kreo kreu krka krkc krke krkk krko krkr krku kroa kroc kroe krok kroo kror krrc krre krrk krro krrr krua kruc krue kruk krur kuac kuar kuau kuca kucc kuce kuco kucr kuek kueu kuka kuke kukk kuku kuoa kuok kuoo kura kure kurk kuro kurr kuru kuuk kuur kuuu o-eo oaau oaer oake oara oare ocac ocak occa occc oce ocee ocke ocra ocre ocro ocrr ocur oec- oeca oecc oeec oera oere okak okcu oker okka okko okok okor okra okre okro okur ooaa ooak oocr ooer ooku oooo oora oore orac orae orak orao orar orca orce orco ore- orea orec orek oreo orer orka orke orko oro- oroe orok oror orra orro ouac oucc ouea ouer our- oura oure ouro ouu- raak rac- raca racc race rack raco racu raec raer raka rake rakk raku raoc raok rara rare rark raro raua rauc raue rauk rcac rccc rea- reac reae reak reao rear reau reca recc rece reck recr recu reek reka reke reko reou rera rere rero reru reue reuk reuu roak roar roca rocc roce rock roco roea roer roka roke rokk roko rokr roku rook roor rora rorc rore rork roro roru roua roue rouk rrrr ruca ruce ruck ruer ruka ruke rukk ruku ruok rura rurc rure ruro ruru uaca uaoc uarc