a-ii aaaa aaac aaai aaar aaca aacc aaci aacr aact aaic aaii aara aarc aari aart aata aatc aatt ac-t acaa acac acai acar acat acca accc acci acct aci- acia acic acir acr- acra acrc acri acrr acta actc acti actt aiai aica aicc aicr aiia aiic aiir aira airi airt aita aiti aitr aitt arac arai arar arat arc- arca arci arct aria arii arit arr- arra arrc arri arrr arrt arta artc arti artr at-t ataa atac atai atar atat atca atcc atcr atia atic atit atra atrc atri atta atti attr caaa caac caat cac- caca cacc caci cacr caia caic cair cait cara carc cari carr cart cat- cata catc cati catt ccaa ccac ccai ccar ccat ccca cccc ccci ccic ccii ccir ccra ccrc ccri ccrt cctc cctt ciaa ciar ciat cica cicc cici cicr cict ciia ciii ciit cira circ ciri cirr cirt cita citi citt crac crai crar crat crca crcc crcr cria cric crit crrt crtc ctca ctia ctic ctrc ctta iaaa iaac iaai iaat iaca iacc iacr iact iaia iara iarc iart iata iatc iati icaa icac icai icar icat icca iccc icci iccr icct icra icrc icrr icrt icta iiac iica iiii iiit iira iirc iita iitr iitt irac irai irar irca ircc iri- iria iric irra irrc irri irta irti itaa itac itai itar itat itia itic itra itri itta raat rac- raca racc raci ract raia raic raii rair rait rara rari rata rati ratt rcac rccc rcic rctc rcti riaa riai riat rica ricc rict riia riri rita riti ritt rrat rrrr rtai rtca rtcc taa- taar taat taca tacc taci tact taia tair tait tara tarc tari tarr tart tata tati tatr tatt tcca tccc tctc tiaa tiar tica ticc tiit tira tiri tirr tita titc titi titt traa trac trai trat trca trcc tri- tria tric trit trra trtc trtr tttt