-th a-a a-b a-c a-t aaa aab aac aah aao aat aax ab- aba abb abc abh abo abt abx ac- aca acb acc ach aco act acx aha ahb ahc ahh aho aht ahx aoa aob aoc aoh aoo aot aox at- ata atb atc ath ato att atx ax- axa axh axo axt axx baa bab bac bah bao bat bax bba bbb bbc bbh bbo bbt bbx bca bcb bcc bch bco bct bcx bha bhb bhc bhh bho bht bhx boa bob boc boh boo bot box bta btb btc bth bto btt btx bxb bxo bxx c-- caa cab cac cah cao cat cax cba cbb cbc cbh cbo cbt cbx cca ccb ccc cch cco cct ccx ch- cha chb chc chh cho cht chx co- coa cob coc coh coo cot cox cta ctb ctc cth cto ctt ctx cxc cxh cxo cxt cxx haa hab hac hah hao hat hax hba hbb hbc hbh hbo hbt hbx hca hcb hcc hch hco hct hha hhb hhc hhh hho hht hoa hob hoc hoh hoo hot hox hta htb htc hth hto htt htx hxc oaa oab oac oah oao oat oax ob- oba obb obc obh obo obt obx oc- oca ocb occ och oco oct ocx oha ohc ohh oho oht oo- ooa oob ooc ooh ooo oot oox ot- ota otb otc oth oto ott ox- oxa oxb oxc oxo oxt oxx t-x taa tab tac tah tao tat tax tba tbb tbc tbh tbo tbt tca tcb tcc tch tco tct tcx th- tha thb thc thh tho tht thx to- toa tob toc toh too tot tox tta ttb ttc tth tto ttt ttx txt xaa xac xat xbc xbx xcb xch xcx xht xoa xoc xoo xot xox xtc xtx xxo xxx

a-ha aaaa aaab aaac aaah aaba aabb aabc aabh aabt aaca aacb aacc aach aaco aact aaha aaoo aata aatc aatt abaa abab abac abat abax abb- abba abbb abbo abbt abca abcb abcc abch abct abha abho aboa abob aboh aboo abot abox abta ac-t acaa acab acac acat acba acca accc acch acco acct acha achh acho acht acoa acoh acot acta actc acth acto actt ahab ahac ahah ahat ahha ahoa ahot ahta ahto aoah aoba aoca aotc at-t at-x ataa atab atac atat atax atca atcc atch atco atha atho atob atoc atot atta atto axat axo- axoa axto axxo ba-x baaa baah baat baba babb babo bac- baca bacc bach baco bact baha baho baht baoh bata batc bath bato batt baxt bbbb bbch bbox bcaa bcat bcbc bcca bccc bctc bhao bhat bhca bhcc bhot boab boac boat boba bobb bobo boca boch boco boha boho boht boob booc booh boot boox bota botb both boto bott boxa btaa btcc btcx btob bttb c-bo caaa caab caac caah caat caba cabo cac- caca cacc cach caco caha caht cat- cata catb catc cath cato catt caxa cbac cbat cbax cbbc cbca cbcc cbct cbha cbot cbox cbta cbtc cbxa ccaa ccab ccac ccat ccba ccbc ccca cccb cccc ccha ccob ccoc cctb cctc cctt chaa chab chac chah chao chat chax chca chch chha choc choh choo chto chtt coat coax coba cobb cobh cobo coca coch coco coct coha coho coob cooh coot cota cotb cotc coth coto cott coxa ctab ctba ctca ctot ctta cxxx haab haat haba habo habt haco haha haho haht hata hatb hath hato hatt haxo hboc hbox hcat hcbc hcca hccb hccc hcch hhaa hhat hhhh hoac hoat hoax hoba hobo hoca hoch hoha hoho hoot hoox hota hotb hoth hoto hott hoxa htab htcc htoh oath obba obbo obot obox ocab ocac ocat ocbc occa occc occt ocha ocht oct- octa octo ohba ohcc ohho ohob ohoh ohta ohto ooaa ooba ooha ooho oooh oooo ootb otac otha otho oto- otoh otoo otta otto oxa- oxo- oxox oxxo taa- taat taba tabb tabc tabo taca tacc tach taco tact taha taho taoa tata tatb tath tato tatt tax- taxa taxo taxt tbca tbcb tbcc tbox tbta tcca tccc tch- tcha tchh tcho tctc thaa thao that thax thca thch thoo thot thtb toab toat toba tobo tobt toca toch toco toho tooa tooh toot tota totc toth toto tott tox- toxa toxo toxt ttab ttbb tttt txaa xact xbox xcat xobc xoca xoco xoth xoxo xxxo xxxx

-aaa- a-box aaaah aaaoc aaata aabaa aabba aacbc aahaa aahat abaab ababa abaca abaco abaht abath abbac abbat abbot abccc abcho aboab aboat abobo aboha aboht aboot abott abtaa abtao acaca acacb accho achab achao achat achoo acoat acoot actto ahaat ahata ahhaa ahhha ahoah ahoax ahoot ataco ataxx atbat atcha athat atoot atoto atto- axact baata baath babax baboo babot bacab bacao bacax bacca bacco bacha bacot bacta bahco baobh batab batac batat batch batco bath- batha batho batob batoo batta batto bccat bhata bhatt bhoot bhota bo-bo bo-ho boaco boath bobac boboc bocac bocao bocat bocca bocha bocho bocht bocoa bohot booat booba booch booco boota booth bootx botch botha botox botta c-a-c ca-ca caaba cabob caboc cabot cacao cacha cacht caco- cacoa cahch cahot cahto caoba cata- catax catch catco cath- catha cato- catta catto ccccc chaab chaac chaah chaat chaba chaca chach chaco chata chato chatt chhab choba choca choco chota chott co-bo co-co coach coact coatc coath cobot cocao cocc- cocco cocha cocoa cocto cohab cohob cohoo cooba cooch cooth cotch cott- cotta cotto h-cho ha-ha haato habab habat habba habbo hacat hacha hacot hahha hahot hatch hatha hatta hatto hcooh hhhhh ho-ho ho-oh hoath hobab hobah hobba hocco hohot hooah hooch hooha hotch hotot hotto hoxha obaba obata oboth ochoa octa- octo- oh-oh ohaba ohata ohbot ohoba ooooh ooooo ootha otbah otcbb othat otoba otoha ototo t-box t-cat t-hca ta-ha ta-ta taabo tabac tabat tabo- taboo tabot tacca tacco tacho tahaa tahta tataa tatao tatch tatoo tatta tatto taxco taxo- tbtbt tchah tcoat tcobb thabo thach thaha thata