-er -ic a-a a-c a-i aaa aac aae aai aak aao aar ac- aca acc ace aci ack aco acr aea aec aee aei aek aeo aer ai- aia aic aie aii aik aio air aka akc ake aki akk ako akr aoa aoc aoe aoi aok aoo aor ar- ara arc are ari ark aro arr c-- caa cac cae cai cak cao car cca ccc cce cci cck cco ccr ce- cea cec cee cei cek ceo cer ci- cia cic cie cii cik cio cir cka ckc cki cko co- coa coc coe coi cok coo cor cra crc cre cri crk cro crr eaa eac eae eai eak eao ear ec- eca ecc ece eci eck eco ecr eea eec eee eek eeo eer eia eic eie eii eik eio eir eka ekc eke eki eko ekr eo- eoa eoc eoe eoi eok eoo eor era erc ere eri erk ero err ia- iaa iac iae iai iao iar ica icc ice ici ick ico icr ie- iea iec iee iei iek ier iia iic iie iii iio iir ika ikc ike iki ikk iko ikr io- ioa ioc ioe ioi ioo ior ir- ira irc ire iri irk iro irr ka- kaa kac kae kai kak kao kar kca kcc kce kci kck kcr ke- kea kec kee kei kek keo ker kia kic kie kii kik kio kir kkc kke kki kkk kkr koa koc koe koi kok koo kor kra krc kri krk kro krr o-i oaa oac oae oai oak oao oar oc- oca occ oci ock oco ocr oea oec oee oei oeo oer oia oic oie oii oik oio oir oka okc oke oki okk oko okr oo- ooa ooc ooi ook ooo oor or- ora orc ore ori ork oro orr ra- raa rac rae rai rak rao rar rca rcc rce rci rco rcr re- rea rec ree rei rek reo rer ria ric rie rii rik rio rir rkc rke rkk rko roa roc roe roi rok roo ror rra rrc rri rrk rrr

a-ak a-ii a-ok aaaa aaac aaae aaai aaar aaca aacc aace aaci aack aaco aacr aaea aaec aaic aaii aaka aake aaoe aaoo aara aarc aare aari aaro acaa acac acae acai acar acca accc acce acci acco ace- acea acec acek acer aci- acia acic acie acir acke acoa acoe acor acr- acra acrc acre acri acro acrr aeac aeci aeer aeio aeka aer- aera aerc aeri aero aiai aica aicc aice aicr aiea aiee aiia aiic aiir aika aike aiki aiko aioc aioi aira aire airi airo akaa akae akai akao akar akca akee aker akia akie akik akio akir akka akki akko akok akr- akra akre aoca aoce aoki aora arac arae arai arak arar arc- arca arce arci arco area arec aree arei arek areo aria arie arii arik ario arka arke arki arko aroa aroe aroi aroo aror arr- arra arrc arre arri arrk arro arrr caaa caac cac- caca cacc cace caci cack caco cacr caec caei caer caia caic caik caio cair caka cake caoi caor cara carc care cari cark caro carr ccaa ccac ccai ccar ccca cccc ccci ccee ccic ccii ccir ccoc ccra ccrc ccre ccri ceac cear cec- ceca cece ceci ceco ceec ceke ceor cer- cera cerc cere ceri cero ciaa ciak ciao ciar cica cicc cici cico cicr ciee cier ciia ciii cika ciko cikr cior cira circ cire ciri cirk ciro cirr ckac ckck ckco cker ckoa ckoc ckoi ckoo ckor ckrc coai coak coca coce cock coco coia coir cok- coka coke coko cook cor- cora corc core cori cork coro corr crac crai crar crca crcc crce crcr cre- crea crec cree crei creo cria cric crie crik crkc croc croe crok croo cror eaca eacc eaec eara eare earo ecaa ecac ecai ecao ecar ecca eccc ecce ecci ecco ecka ecko eco- ecra ecrc ecri ecrr eeca eeea eeee eeka eeke eeoc eera eerc eero eiao eica eick eico eiec eiei eier eika eike eiki eiko eira eire eka- ekco ekek eker ekka ekki ekoa ekoi eoir eoka eora eore eori erca ercc erce erec erei erer eria eric erie erik erio erke erki eroc eroe eroi eroo erra errc erre erro iaaa iaac iaai iaca iacc iacr iaea iaec iaia iara iarc iare icaa icac icai icao icar icca iccc icci icco iccr icea icec icee icer icke icoc icor icra icrc icre icrr ieac iecc ieie ieio iera iere ieri iiac iica iiie iiii iiio iioi iioo iira iirc ikar ikea ikee iker ikki ikko ikoo ikra ikri ioci ioee ioii ioio ioke ioko iooi iooo iora iore iori irac irae irai irak irao irar irca ircc iree irer iri- iria iric irie irio irka irki iroc irra irrc irre irri k-ci kaaa kaai kaak kaar kacc kace kaci kaco kaei kaeo kaer kaia kaic kaie kaii kaik kaio kair kaka kakc kake kaki kakk kako kaoa kaoc kaoi kaok kaor kara kare kari kark karo karr kcaa kcac kcai kcar kcca kccc kcci kcck kccr kcea kcec kcee kcei kceo kcic kcie kcii kcir kckc kckk kcko kckr kcoe kcor kcrc kcri kcro kcrr kea- keak kear keca keck keco kecr keek keer keii keik keio keir keka kekc keke keki keko keok ker- kera kerc kere keri kerk kero kerr kiac kiai kiar kica kicc kice kick kicr kier kiia kiic kiii kiik kika kikc kiki kikk kiko kikr kioa kioc kioe kioi kiok kioo kira kirc kiri kirk kiro kirr kkaa kkac kkai kkar kkci kkck kkco kkcr kkea kkia kkic kkik kkkk kkoa kkoo kkor kkrc kkre kkrk kkro kkrr koac koae koai koak koar koca koci kock koea koei koii koir koka kokc koke koki kokk koko kokr kooc kooi kook kooo koor kora korc kore kori kork koro korr krac krae krai krak krar krca krcc krce krci krco krea krec kree krei krek kreo kria krik krio