a-ii aaaa aaac aaae aaai aaar aaca aacc aace aaci aaco aacr aaea aaec aaic aaii aaoe aaoo aara aarc aare aari aaro acaa acac acae acai acar acca accc acce acci acco ace- acea acec acer aci- acia acic acie acir acoa acoe acor acr- acra acrc acre acri acro acrr aeac aeci aeer aeio aer- aera aerc aeri aero aiai aica aicc aice aicr aiea aiee aiia aiic aiir aioc aioi aira aire airi airo aoca aoce aora arac arae arai arar arc- arca arce arci arco area arec aree arei areo aria arie arii ario aroa aroe aroi aroo aror arr- arra arrc arre arri arro arrr caaa caac cac- caca cacc cace caci caco cacr caec caei caer caia caic caio cair caoi caor cara carc care cari 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 ceor cer- cera cerc cere ceri cero ciaa ciao ciar cica cicc cici cico cicr ciee cier ciia ciii cior cira circ cire ciri ciro cirr coai coca coce coco coia coir cor- cora corc core cori coro corr crac crai crar crca crcc crce crcr cre- crea crec cree crei creo cria cric crie croc croe croo cror eaca eacc eaec eara eare earo ecaa ecac ecai ecao ecar ecca eccc ecce ecci ecco eco- ecra ecrc ecri ecrr eeca eeea eeee eeoc eera eerc eero eiao eica eico eiec eiei eier eira eire eoir eora eore eori erca ercc erce erec erei erer eria eric erie erio 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 icoc icor icra icrc icre icrr ieac iecc ieie ieio iera iere ieri iiac iica iiie iiii iiio iioi iioo iira iirc ioci ioee ioii ioio iooi iooo iora iore iori irac irae irai irao irar irca ircc iree irer iri- iria iric irie irio iroc irra irrc irre irri o-eo oaer oaic oara oare ocac occa occc occi oce ocee ocra ocre ocro ocrr oec- oeca oecc oeec oera oere oici oier oiii oira oire ooaa oocr ooer ooia oooo oora oore orac orae orai orao orar orca orce orci orco ore- orea orec oreo orer ori- oria oric orie orio oro- oroe oror orra orri orro rac- raca racc race raci raco raec raer raia raic raie raii rair raoc rara rare rari raro rcac rccc rcic rea- reac reae reao rear reca recc rece reci recr reia reii reir rera rere reri rero riaa riai rica ricc rice rico rier riia rire riri roar roca rocc roce roco roea roer roia roio roir rooi roor rora rorc rore rori roro rrrr