a-ha aaaa aaac aaaf aaah aaar aaca aacc aacf aach aacr aact aafa aafc aaff aaha aara aarc aart aata aatc aatf aatt ac-t acaa acac acar acat acca accc accf acch acct acfc acft acha achh achr acht acr- acra acrc acrr acta actc actf acth actt afaa afar afat afca afcc afch affa affc afft afr- afra afrc afta aftc ahac ahah ahar ahat ahfa ahha ahra ahrc ahrr ahta arac araf arah arar arat arc- arca arch arct arfa arfc arff arft arh- arr- arra arrc arrh arrr arrt arta artc arth artr at-t ataa atac atar atat atca atcc atcf atch atcr atfc atha atra atrc atta attr caaa caac caaf caah caat cac- caca cacc cach cacr cafa cafc caff caha caht cara carc carf carr cart cat- cata catc catf cath catt ccaa ccac ccaf ccar ccat ccca cccc cccf ccfa ccfc ccff ccha cchr ccra ccrc ccrf ccrt cctc cctt cfaa cfac cfar cfca cfcf cffr cfra cfrt cfta cftc cfth cftr chaa chac chaf chah char chat chca chch chfa chfc chfr chha chra chrc chrf chrr chrt chtr chtt crac craf crar crat crca crcc crcr crfc crrt crtc crtf ctca ctcf ctfc ctrc ctta faaa faac faah faca facc fach fact fafa fafc faff faha fahr fara farc farr fart fata fatc fatf fath fatt fcar fcat fcca fccf fcch fcra ffar ffcc ffff ffrr fftf frac frat frcc frfc frta ft-c ftfc haaf haar haat haff haft haha haht hara harc harf harh harr hart hata hath hatt hcat hcca hccc hcch hcfa hcfc hhaa hhat hhhh hrac hrfc hrrc hrta htcc htfc htra httr raaf raat rac- raca racc rach ract rafa rafc raff raft raha rahr raht rara rarf rata ratf rath ratt rcac rcaf rccc rcfc rctc rffc rftc rrah rrat rrfc rrrr rtca rtcc rtfc taa- taaf taar taat taca tacc tach tact tafa tafc taff taft taha tahr tara tarc tarf tarr tart tata tath tatr tatt tcca tccc tcfc tch- tcha tchh tchr tctc tfca tftc thaa thar that thca thch thra thtr traa trac traf trat trca trcc trfc trfr trra trtc trtr ttfa ttfc ttff tttt