a-ii aaaa aaac aaai aaar aaca aacc aaci aaco aacr aaic aaii aaoo aara aarc aari aaro acaa acac acai acar acca accc acci acco aci- acia acic acir acoa acor acr- acra acrc acri acro acrr aiai aica aicc aicr aiia aiic aiir aioc aioi aira airi airo aoca aora arac arai arar arc- arca arci arco aria arii ario aroa aroi aroo aror arr- arra arrc arri arro arrr caaa caac cac- caca cacc caci caco cacr caia caic caio cair caoi caor cara carc cari caro carr ccaa ccac ccai ccar ccca cccc ccci ccic ccii ccir ccoc ccra ccrc ccri ciaa ciao ciar cica cicc cici cico cicr ciia ciii cior cira circ ciri ciro cirr coai coca coco coia coir cor- cora corc cori coro corr crac crai crar crca crcc crcr cria cric croc croo cror iaaa iaac iaai iaca iacc iacr iaia iara iarc icaa icac icai icao icar icca iccc icci icco iccr icoc icor icra icrc icrr iiac iica iiii iiio iioi iioo iira iirc ioci ioii ioio iooi iooo iora iori irac irai irao irar irca ircc iri- iria iric irio iroc irra irrc irri oaic oara ocac occa occc occi ocra ocro ocrr oici oiii oira ooaa oocr ooia oooo oora orac orai orao orar orca orci orco ori- oria oric orio oro- oror orra orri orro rac- raca racc raci raco raia raic raii rair raoc rara rari raro rcac rccc rcic riaa riai rica ricc rico riia riri roar roca rocc roco roia roio roir rooi roor rora rorc rori roro rrrr