a-ii aaaa aaac aaae aaaf aaai aaar aaca aacc aace aacf aaci aacr aaea aaec aafa aafc aaff aafi aaic aaii aara aarc aare aari acaa acac acae acai acar acca accc acce accf acci ace- acea acec acer acfc acfe acfi aci- acia acic acie acif acir acr- acra acrc acre acri acrr aeac aeaf aeci aeer aer- aera aerc aeri afaa afar afca afcc afci afee afer affa affc affi afia afif afir afr- afra afrc afre afri aiai aica aicc aice aicf aicr aiea aiee aiff aiia aiic aiir aira aire airi arac arae araf arai arar arc- arca arce arci area arec aree aref arei arfa arfc arff aria arie arif arii arr- arra arrc arre arri arrr caaa caac caaf cac- caca cacc cace caci cacr caec caei caer cafa cafc cafe caff caia caic cair cara carc care carf cari carr ccaa ccac ccaf ccai ccar ccca cccc cccf ccci ccee ccfa ccfc ccff ccfi ccic ccii ccir ccra ccrc ccre ccrf ccri ceac cear cec- ceca cece ceci ceec cef- cefa cefc cer- cera cerc cere cerf ceri cfaa cfac cfae cfar cfca cfcf cffr cfia cfra cfre ciaa ciar cica cicc cici cicr ciee cier cifa cife ciff ciia ciii cira circ cire ciri cirr crac craf crai crar crca crcc crce crcr cre- crea crec cree crei crfc cria cric crie crif eaaf eaca eacc eaec eaif eara eare ecaa ecac ecai ecar ecca eccc ecce ecci ecef ecfa ecfc ecfr ecra ecrc ecrf ecri ecrr eeca eeea eeee eefa eefe eera eerc efca effa effi efic eica eiec eiei eier eira eire eraf erca ercc erce erec erei erer erfc eria eric erie erra errc erre faaa faac faca facc face fafa fafc fafe faff fafi faie fair fara farc fare farr fcar fcca fccf fcic fcii fcra feaf fear fece feer fefc fefe feff fefi feia feie feir fera ferc fere ferr ffar ffcc ffee ffff ffii ffrr fiaa fiac fiaf fiar fica ficc fice fiec fief fier fifa fifc fife fiff fifi fiii fira fire frac frae frcc frea free frei frfc fria fric frie iaaa iaac iaai iaca iacc iacr iaea iaec iafc iafe iaff iaia iara iarc iare icaa icac icaf icai icar icca iccc iccf icci iccr icea icec icee icef icer icra icrc icre icrf icrr ieac iecc ieie iera iere ieri ifaa ifac ifae ifar ifer ific ifra ifrf ifri iiac iica iifa iiie iiii iira iirc irac irae iraf irai irar irca ircc iree irer irfe iri- iria iric irie irra irrc irre irri raaf rac- raca racc race raci raec raef raer rafa rafc rafe raff rafi raia raic raie raif raii rair rara rare rarf rari rcac rcaf rccc rcfc rcic rea- reac reae reaf rear reca recc rece reci recr reef refe reff refi refr reia reif reii reir rera rere reri rfae rfef rffc rfic riaa riai rica ricc rice rief rier rifa rife riff riia riif rire riri rrfc rrif rrrr