aaaa aaac aaae aaaf aaar aaca aacc aace aacf aacr aaea aaec aafa aafc aaff aage aara aarc aare acaa acac acae acag acar acca accc acce accf ace- acea acec acer acfc acfe acga acgr acr- acra acrc acre acrr aeac aeaf aeer aega aer- aera aerc afaa afar afca afcc afee afer affa affc afgf afr- afra afrc afre agac agag agar agca agcc agce agea agee ager agfa agga agge agra agre arac arae araf arag arar arc- arca arce area arec aree aref areg arfa arfc arff arga arge arr- arra arrc arre arrg arrr caaa caac caaf cac- caca cacc cace cacr caec caer cafa cafc cafe caff caga cage cagg cagr cara carc care carf carr ccaa ccac ccaf ccag ccar ccca cccc cccf ccee ccfa ccfc ccff ccga ccgc ccra ccrc ccre ccrf ccrg ceac cear cec- ceca cece ceec cef- cefa cefc cege cer- cera cerc cere cerf cfaa cfac cfae cfar cfca cfcf cffr cfra cfre cfrg cgac cgcc cgcg cger cgfc crac craf crag crar crca crcc crce crcr cre- crea crec cree creg crfc eaaf eaca eacc eaec eaga eage eara eare ecaa ecac ecar ecca eccc ecce ecef ecfa ecfc ecfr ecra ecrc ecrf ecrr eeca eeea eeee eefa eefe eega eera eerc eerg ef-g efca effa egaa egae egar egcc egcg egcr egea egec egee eger egfr egge egra egre eraf erca ercc erce erec erer erfc erg- erga ergg erra errc erre faaa faac faca facc face fafa fafc fafe faff fafg fage fagg fara farc fare farg farr fcar fcca fccf fcra feaf fear fece feer fefc fefe feff fege fegg fera ferc fere ferr ffar ffcc ffee ffff ffrr frac frae frag frcc frea free frfc gaar gace gaea gaec gaer gafa gafc gaff gaga gage gagg gara gare garf garg garr gc-c gcaa gccc gccf gcfc gcrg gear geca gece geer gefe gege gegg gera gere gfcf gfer gffa ggfg gggg grac grae graf grcc grce grea grec gree gref greg grfa grrr raaf raag rac- raca racc race raec raef raeg raer rafa rafc rafe raff raga rage ragg rara rare rarf rcac rcaf rccc rcfc rcga rcgc rcrg rea- reac reae reaf rear reca recc rece recr reef refe reff refg refr rega rege regr rera rere rerg rfae rfef rffc rrfc rrrr