a-wa aaaa aaac aaae aaaf aaar aaca aacc aace aacf aacr aaea aaec aafa aafc aaff aara aarc aare aaww acaa acac acae acar acca accc acce accf ace- acea acec acer acfc acfe acr- acra acrc acre acrr acwa acww aeac aeaf aeer aer- aera aerc afaa afar afca afcc afcw afee afer afew affa affc affw afr- afra afrc afre arac arae araf arar araw arc- arca arce area arec aree aref arew arfa arfc arff arr- arra arrc arre arrr arwa arwe awac awae awar awe- awee awer awfc awre awwa caaa caac caaf cac- caca cacc cace cacr cacw caec caer cafa cafc cafe caff cara carc care carf carr cawf ccaa ccac ccaf ccar ccca cccc cccf ccee ccfa ccfc ccff ccra ccrc ccre ccrf ceac cear cec- ceca cece ceec cef- cefa cefc cer- cera cerc cere cerf cewa cewe cfaa cfac cfae cfar cfca cfcf cfcw cffr cfra cfre cfrw cfwc crac craf crar craw crca crcc crce crcr cre- crea crec cree crew crfc cwac cwer cwfc cwrw eaaf eaca eacc eaec eara eare earw ecaa ecac ecar ecca eccc ecce ecef ecfa ecfc ecfr ecra ecrc ecrf ecrr ecwa eeca eeea eeee eefa eefe eera eerc efca effa eraf erca ercc erce erec erer erew erfc erra errc erre ewer ewew ewre faaa faac faca facc face fafa fafc fafe faff fara farc fare farr fawe fawf fcar fcca fccf fcra feaf fear fece feer fefc fefe feff fera ferc fere ferr fewa fewe ffar ffcc ffee ffff ffrr frac frae frcc frea free frew frfc fwcc fwfc raaf rac- raca racc race raec raef raer rafa rafc rafe raff rara rare rarf rawa rawe rawr raww rcac rcaf rccc rcfc rea- reac reae reaf rear reca recc rece recr reef refe reff refr rera rere rewa rewe rfae rfef rffc rrfc rrrr waaa waac waaf waar waaw waca wacc wace waec waee waer waew wafa wafc wafe waff wafr war- wara warc ware warf warr warw wawa wawc wawe wawf wcae wcar wcca wccc wcce wccf wccr wccw wcec wcee wcef wcer wcfc wcfr wcfw wcra wcrc wcre wcrr wcrw wcwa wcwc wcwf weaa weac weaf wear weca wecc wecf wecr wecw weec weef weer wefa wefc wefe weff wefr wer- wera werc were werf werr werw wewc wewe wfaa wfae wfar wfaw wfca wfcc wfcf wfcr wfea wfer wffc wfff wfra wfrc wfre wfrf wfrw wfwa wfwc wraa wrac wrae wraf wrar wraw wrca wrce wrcr wrcw wrec wree wrer wrew wrfc wrfe wrff wrfw wrra wrrc wrre wrrw wrwa wrwc wrwr wwac wwca wwcf wwcr wwcw wwea wwec wwer wwfa wwfc wwfe wwfr wwfw wwra wwrc wwre wwrf wwrr wwrw wwwa wwwc wwwe wwwr wwww