a-ha aaaa aaac aaaf aaah aaar aaca aacc aacf aach aaco aacr aact aafa aafc aaff aaha aaoo aara aarc aaro aart aata aatc aatf aatt ac-t acaa acac acar acat acca accc accf acch acco acct acfc acft acha achh acho achr acht acoa acoh acor acot acr- acra acrc acro acrr acta actc actf acth acto actt afaa afao afar afat afca afcc afch affa affc affo afft afoa afoo afor afr- afra afrc afro afta aftc ahac ahah ahar ahat ahfa ahha ahoa ahor ahot ahra ahrc ahrr ahta ahto aoah aoca aora aort aotc aotf arac araf arah arar arat arc- arca arch arco arct arfa arfc arff arft arh- aroa aroo aror arr- arra arrc arrh arro arrr arrt arta artc arth arto artr at-t ataa atac atar atat atca atcc atcf atch atco atcr atfc atha atho atoc atof ator atot atra atrc atro atta atto attr caaa caac caaf caah caat cac- caca cacc cach caco cacr cafa cafc caff caha caht caor cara carc carf caro carr cart cat- cata catc catf cath cato catt ccaa ccac ccaf ccar ccat ccca cccc cccf ccfa ccfc ccff ccha cchr ccoc ccra ccrc ccrf ccrt cctc cctt cfaa cfac cfao cfar cfca cfcf cfco cffr cfoa cfor cfra cfrt cfta cftc cfth cftr chaa chac chaf chah chao char chat chca chch chfa chfc chfr chha choc choh choo chor chra chrc chrf chro chrr chrt chto chtr chtt coat coca coch coco coct cofc coff coft coha coho coof cooh coot cor- cora corc corf coro corr cort cota cotc coth coto cott crac craf crar crat crca crcc crcr crfc croc croh croo cror crot crrt crtc crtf ctca ctcf ctfc ctfo ctor ctot ctrc ctta faaa faac faah faca facc fach fact fafa fafc faff fafo faha fahr fara farc faro farr fart fata fatc fatf fath fato fatt fcar fcat fcca fccf fcch fcot fcra fcto ffar ffcc ffff ffrr fftf foaf foar foca foch foco fofo fohr foof foot for- fora foro forr fort fota foth foto fott frac frat frcc frfc froh frot frta ft-c ftfc haaf haar haat haco haff haft haha haho haht haor hara harc harf harh haro harr hart hata hath hato hatt hcat hcca hccc hcch hcfa hcfc hhaa hhat hhhh hhof hoac hoar hoat hoca hoch hocr hoff hoha hoho hoof hoor hoot hora horc horo horr hort hota hoth hoto hotr hott hrac hrfc hrrc hrta htcc htfc htoh htra httr oafc oafo oara oath ocac ocat occa occc occt ocfa ocha ocht ocra ocro ocrr oct- octa octo ofah ofcr off- offa offc offh offo offr ofor ofra ofta ohcc ohho ohoh ohra ohta ohto ooaa oocr ooff ooha ooho oooh oooo oora oort orac orah orao orar orat orca orch orco orff oro- orof oror orot orra orro orta ortc orth orto otac otar otfc otha otho othr oto- otof otoh otoo otor otra otro otta otto raaf raat rac- raca racc rach raco ract rafa rafc raff raft raha rahr raht raoc raoh rara rarf raro rata ratf rath rato ratt rcac rcaf rccc rcfc rctc rffc rftc rhoa rhoc rhoh roaf roar roat roca rocc roch roco rofc roff rofo roha rohr roof roor root rora rorc roro rort rota rotc roth roto rotr rott rrah rrat rrfc rrrr rtca rtcc rtfc taa- taaf taar taat taca tacc tach taco tact tafa tafc taff tafo taft taha taho tahr taoa taor tara tarc tarf taro tarr tart tata tath tato tatr tatt tcca tccc tcfc tch- tcha tchh tcho tchr tctc tfca tfot tftc thaa thao thar that thca thch thof thoo thor thot thra thro thtr toat toca toch toco tofa toff tofo toft toho tooa toof tooh toor toot tora torc torf toro torr tort tota totc toth toto totr tott traa trac traf trao trat trca trcc trfc trfr troa troc troo trot trra trtc trtr ttfa ttfc ttff tttt