a-ha aaaa aaac aaah aaar aaca aacc aach aaco aacr aact aagh aaha aaoo aara aarc aaro aart aata aatc aatt ac-t acaa acac acag acar acat acca accc acch acco acct acga acgr acha achh acho achr acht acoa acog acoh acor acot acr- acra acrc acro acrr acta actc actg acth acto actt ag-o agac agag agao agar agat agca agcc agco agct agga agha aght agog agoo agot agra agro agta agtr ahac ahah ahar ahat ahha ahoa ahog ahor ahot ahra ahrc ahrr ahta ahto aoah aoca aora aort aotc arac arag arah arar arat arc- arca arch arco arct arga argh argo arh- aroa aroo aror arr- arra arrc arrg arrh arro arrr arrt arta artc arth arto artr at-t ataa atac atar atat atca atcc atch atco atcr atgo atha atho atoc ator atot atra atrc atro atta atto attr caaa caac caah caat cac- caca cacc cach caco cacr caga cagg cago cagr caha caht caor cara carc caro carr cart cat- cata catc cath cato catt ccaa ccac ccag ccar ccat ccca cccc ccga ccgc ccgt ccha cchr ccoc ccra ccrc ccrg ccrt cctc cctt cgac cgcc cgcg cgro chaa chac chag chah chao char chat chca chch chha choc choh choo chor chra chrc chro chrr chrt chto chtr chtt coag coat coca coch coco coct cogh cogo coha coho cooh coot cor- cora corc corg coro corr cort cota cotc coth coto cott crac crag crar crat crca crcc crcr croc croh croo cror crot crrt crtc ctag ctca ctor ctot ctrc ctta gaar gach gaga gagg gago gaha gaoh gara garg garo garr gart gata gatc gath gato gatr gatt gc-c gcaa gcat gccc gcoa gcrg gctc gggg gghg ghar ghat goar goat goca goch gocr goga gogh gogo goha goog goor goot gora gorg goro gorr gort gota goth goto gott grac grat grcc groc grog groh groo gror grot grrr grtc gtaa gtco gtcr gtta haag haar haat haco hag- haga hagg hagh hago haha haho haht haor hara harc harh haro harr hart hata hath hato hatt hcat hcca hccc hcch hcgh hgah hgar hggc hgtc hhaa hhat hhgg hhhh hoac hoag hoar hoat hoca hoch hocr hoga hogg hogh hogo hoha hoho hoor hoot hora horc horg horo horr hort hota hoth hoto hotr hott hrac hrrc hrta htcc htoh htra httr oara oath ocac ocat occa occc occt ocga ocha ocht ocra ocro ocrr oct- octa octo ogar oght ogoa ogog ogra ogro ohcc ohgr ohho ohoh ohra ohta ohto ooaa oocr ooha ooho oooh oooo oora oort orac orah orao orar orat orca orch orco orga orgo oro- oror orot orra orro orta ortc orth orto otac otar otha otho othr oto- otog otoh otoo otor otra otro otta otto raag raat rac- raca racc rach raco ract raga ragg ragh rago raha rahr raht raoc raoh rara raro rata rath rato ratt rcac rccc rcga rcgc rcrg rctc rctg rgtr rhag rhcg rhoa rhoc rhog rhoh roag roar roat roca rocc roch roco roga rogg rogh rogo roha rohr roog roor root rora rorc roro rort rota rotc rotg roth roto rotr rott rrah rrat rrrr rtca rtcc rtcg taa- taag taar taat taca tacc tach taco tact taga tagg tagh tago taha taho tahr taoa taor tara tarc targ taro tarr tart tata tath tato tatr tatt tcca tccc tcga tch- tcha tchh tcho tchr tctc tgcc tgtc thaa thag thao thar that thca thch thog thoo thor thot thra thro thtr toat toca toch toco toga togh togo togr togt toho tooa tooh toor toot tora torc torg toro torr tort tota totc toth toto totr tott traa trac trag trao trat trca trcc troa troc trog troo trot trra trtc trtr tttt