trt tta ttb ttc ttd ttf tth ttl tto ttr ttt

a-do a-ha aaaa aaab aaac aaad aaaf aaah aaal aaar aaba aabb aabc aabd aabh aabl aabt aaca aacb aacc aacd aacf aach aacl aaco aacr aact aada aadc aadt aafa aafb aafc aafd aaff aafl aaha aahl aala aalc aald aall aalo aaoo aara aarc aard aaro aart aata aatc aatf aatt abaa abab abac abad abaf abal abar abat abb- abba abbb abbo abbr abbt abca abcb abcc abcd abcf abch abcl abcr abct abda abdo abff abha abho abhr abla ablo aboa abob abod abof aboh abol aboo abor abot abra abrc abro abta ac-t acaa acab acac acad acar acat acba acbl acca accc accd accf acch acco acct acda acdb acdc acdf acdt acfc acfd acfl acft acha achh achl acho achr acht acla aclc aclr acoa acod acoh acol acor acot acr- acra acrc acro acrr acta actc actf acth actl acto actt adaa adab adac adad adah adal adao adar adat adba adbc adcc adda addc addd addl addo addr adfa adfc adfl adha adhd adho adob adoc adod adoo ador adot adra adro adta afaa afad afao afar afat afca afcb afcc afch afdb afdc afdl affa affc affo afft afla aflc afoa afol afoo afor afr- afra afrc afro afta aftc ahab ahac ahad ahah ahal ahar ahat ahdl ahfa ahha ahla ahoa ahod ahor ahot ahra ahrc ahrr ahta ahto alaa alac alad alal alao alar alat alb- alba albc albo alca alcc alco ald- alda aldl aldo alfa alha all- alla allh alll allo allr aloa aloc alod alof aloh alol aloo alor alot alro alta alto aoah aoba aoca aodh aola aora aorb aort aotc aotd aotf arab arac arad araf arah aral arar arat arba arbh arc- arca arch arco arct arda ardc ardf ardl ardo arfa arfb arfc arff arft arh- arla arlo aroa arob arod aroo aror arr- arra arrc arrh arro arrr arrt arta artc arth arto artr at-l at-t ataa atab atac atad atal atar atat atca atcc atcf atch atcl atco atcr atdt atfb atfc atha athl atho atla atlo atob atoc atod atof atol ator atot atra atrc atro atta atto attr baaa baad baaf baah baal baar baat baba babb babo babr bac- baca bacc bach baco bact bada badb badd badh bado badr bafc baff bafo baft baha bahl baho bahr baht bala balc bald balf ball balo balt baoh baol bar- bara barb barc bard barf barh baro barr bart bata batc batf bath bato batt bbad bbbb bbch bbdd bbdo bbfc bblb bbrc bcaa bcar bcat bcbc bcca bccc bccl bcda bcfc bchd bcof bcor bcra bctc bd-r bdbc bddc bddh bfca bffl bfta bftt bhao bhar bhat bhca bhcc bhdl bhff bhor bhot bhra bhrt blaa blab blac blad blah blat blbt bldc bldr blfc blob bloc blod bloo blot blrc boab boac boad boal boar boat boba bobb bobo boca boch boco boda bodb bodh bodo bofa bofd boff bofh boha bohd bohl boho bohr boht bola bold boll bolo bolt boob booc bood boof booh bool boor boot bor- bora bord borf borh boro borr bort bota botb botd both boto bott brab brac brad braf brah brao brat brca brcb brda brdo brdt brfc broa brob broc brod broh brol broo bror brot brrr brtc btaa btaf btcc btcl btdt btfc btla btob btor btrc btrt bttb c-bo c-cd caaa caab caac caaf caah caal caat caba cabf cabo cac- caca cacc cach caco cacr cada cadc cadd cado cadr cafa cafb cafc caff cafl caha cahl caht cala calc cald calf call calo calt caod caol caor cara carb carc card carf carl caro carr cart cat- cata catb catc catd catf cath cato catt cbac cbal cbar cbat cbbc cbca cbcc cbcl cbcr cbct cbdb cbdc cbdo cbfb cbfc cbha cbhl cblb cblc cbol cbot cbrd cbrh cbrl cbrt cbta cbtc cbtf cbtl ccaa ccab ccac ccad ccaf ccar ccat ccba ccbc ccca cccb cccc cccf cccl ccdc ccdf ccdh ccdr ccfa ccfc ccfd ccff ccfl ccha cchl cchr ccla cclc ccob ccoc ccod ccra ccrc ccrf ccrl ccrt cctb cctc cctl cctt cd-r cdaa cdac cdad cdba cdbf cdda cddb cddl cddr cdfa cdot cfaa cfab cfac cfao cfar cfbc cfbr cfbt cfca cfcb cfcf cfcl cfco cfda cffb cffr cfoa cfor cfra cfrb cfrt cfta cftc cfth cftl cftr chaa chab chac chad chaf chah chal chao char chat chca chch chfa chfc chfr chha chlc chlr chlt choc chod choh chol choo chor chra chrb chrc chrd chrf chro chrr chrt chto chtr chtt clab clad claf clar clat clcd cldc cldr clob clod clof cloo clor clot clra clrd clro cltb cltc coad coal coat coba cobb cobh cobo coca coch coco coct coda codd codl cofc coff coft coha coho col- cola colb cold coll colo colt coob cood coof cooh cool coot cor- cora corb corc cord corf corl coro corr cort cota cotb cotc coth coto cott crab crac craf crar crat crbc crca crcc crcr crda crdc crfc crfl crlf crob croc crod croh crol croo cror crot crrt crtc crtf crtl ctab ctal ctba ctca ctcf ctfc ctfo ctol ctor ctot ctrc ctrl ctta d-bo daab daad daal daar daba dabb dabo dabt daca dact dada dado dafa dafc daff dafo daft daha dahl dala dalf dall dalo dalt dara darb darc dard darf darl daro darr dart data dato datr datt dbar dbcc dbfc dbfo dbtt dcbc dcca dccb dccc dccl dcct dcdb dcfc dcra dctc dddd ddlc ddoc ddot ddrc dfaf dfcc dfco dfdt dffa dfrf dftr dhaa dhad dhal dhao dhar dhat dhfc dhod dhol dhor dlab dlbd dlco dlha doab doal doar doat doba dobb dobl doca doch doco doct dod- doda dodd dodo doff doha dohc dohl dohr dola dold dolf doll dolo dolt doob dood doof dool door doot dora dorc dord dorf doro dorr