-th a-a a-b a-c a-t aaa aab aac aae aah aao aat ab- aba abb abc abe abh abo abt ac- aca acb acc ace ach aco act aea aeb aec aee aeh aeo aet aha ahb ahc ahe ahh aho aht aoa aob aoc aoe aoh aoo aot at- ata atb atc ate ath ato att baa bab bac bae bah bao bat bba bbb bbc bbe bbh bbo bbt bca bcb bcc bce bch bco bct be- bea beb bec bee beh beo bet bha bhb bhc bhe bhh bho bht boa bob boc boe boh boo bot bta btb btc bte bth bto btt c-- caa cab cac cae cah cao cat cba cbb cbc cbe cbh cbo cbt cca ccb ccc cce cch cco cct ce- cea ceb cec cee ceh ceo cet ch- cha chb chc che chh cho cht co- coa cob coc coe coh coo cot cta ctb ctc cte cth cto ctt eaa eab eac eae eah eao eat eba ebb ebc ebe ebh ebo ebt ec- eca ecb ecc ece ech eco ect eea eeb eec eee eeo eet eha ehb ehc ehe ehh eho eht eo- eoa eob eoc eoe eoh eoo eot eta etb etc ete eth eto ett haa hab hac hae hah hao hat hba hbb hbc hbe hbh hbo hbt hca hcb hcc hce hch hco hct he- hea heb hec hee heh heo het hha hhb hhc hhe hhh hho hht hoa hob hoc hoe hoh hoo hot hta htb htc hte hth hto htt oaa oab oac oae oah oao oat ob- oba obb obc obe obh obo obt oc- oca ocb occ och oco oct oea oeb oec oee oeh oeo oet oha ohc ohe ohh oho oht oo- ooa oob ooc ooh ooo oot ot- ota otb otc ote oth oto ott taa tab tac tae tah tao tat tba tbb tbc tbe tbh tbo tbt tca tcb tcc tce tch tco tct te- tea teb tec tee teh teo tet th- tha thb thc the thh tho tht to- toa tob toc toe toh too tot tta ttb ttc tte tth tto ttt

a-be a-ha aaaa aaab aaac aaae aaah aaba aabb aabc aabh aabt aaca aacb aacc aace aach aaco aact aaea aaec aaha aaoe aaoo aata aatc aatt abaa abab abac abae abat abb- abba abbb abbe abbo abbt abca abcb abcc abch abct abec abee abet abha abho aboa abob aboh aboo abot abta ac-t acaa acab acac acae acat acba acca accc acce acch acco acct ace- acea acec aceh acet acha ache achh acho acht acoa acoe acoh acot acta actc acte acth acto actt aeac aecb aect aeta aetc aeto aett ahab ahac ahah ahat ahet ahha ahoa ahoe ahot ahta ahte ahto aoah aoba aoca aoce aotc at-t ataa atab atac atae atat atca atcc atch atco atea atec atee ateo atha athe atho atob atoc atoe atot atta atte atto baaa baah baat baba babb babe babo bac- baca bacc bace bach baco bact baha baho baht baoh bata batc bate bath bato batt bbbb bbch bbeb bbet bcaa bcat bcbc bcca bccc bcec bcet bche bctc beah beat beba bebb bebe bebo beca bech beeb beet beo- beot beta betc bete beth beto bett bhao bhat bhca bhcc bhet bhot boab boac boat boba bobb bobe bobo boca boce boch boco boea boec boee boeo boet boha boho boht boob booc booe booh boot bota botb bote both boto bott btaa btcc btec btob bttb c-bo caaa caab caac caah caat caba cabe cabo cac- caca cacc cace cach caco caec caha cahe caht cat- cata catb catc cate cath cato catt cbac cbat cbbc cbca cbcc cbce cbct cbea cbec cbee cbet cbha cbot cbta cbtc ccaa ccab ccac ccat ccba ccbc ccca cccb cccc ccee ccha cche ccob ccoc cctb cctc cctt ceac ceat ceba cec- ceca cece ceco cect ceeb ceec cet- ceta cete ceto chaa chab chac chae chah chao chat chca chce chch chea cheb chec chee cheh chet chha choc choh choo chto chtt coat coba cobb cobe cobh cobo coca coce coch coco coct coha coho coob cooh coot cota cotb cotc cote coth coto cott ctab ctae ctba ctca ctec ctot ctta eaba eabh eaca eacc each eaec eata eate eath ebac ebba ebbc ebbo ebcc eboe eboo ecaa ecac ecao ecat ecbc ecbe ecca eccb eccc ecce ecco ecct echa eche echo echt eco- ecot ect- ecta ectc ecth ecto eeca eeea eeee eeoc eeta eetc eete eeth ehaa ehcc ehea eheh ehte eota eotc eoto etah etat etbc etcc etch etco etec etee eth- etha ethe etho etoe etoh etta ette etto haab haat haba habe habo habt hace haco haec haet haha haho haht hata hatb hate hath hato hatt hboc hcat hcbc hcca hccb hccc hcch heah heat hebb hebe hebo heca hech hect heeb heet hehe heho heta hete heth heto hett hhaa hhat hhhh hoac hoat hoba hobe hobo hoca hoce hoch hoha hohe hoho hooe hoot hota hotb hote hoth hoto hott htab htcc htea htet htoh o-eo oahe oate oath obba obbo obea obec obet oboe obot ocab ocac ocat ocbc occa occc occt oce ocee ocet ocha oche ocht oct- octa octe octo oec- oeca oecc oeec oeta ohba ohbe ohcc ohee ohho ohob ohoh ohta ohte ohto ooaa ooba oobe ooha ooho oooh oooo ootb otac otea otee otha othe otho oto- otoe otoh otoo otta otte otto taa- taat taba tabb tabc tabe tabo taca tacc tace tach taco tact taec taha tahe taho taoa tata tatb tate tath tato tatt tbca tbcb tbcc tbce tbta tcca tccc tch- tcha tche tchh tcho tctc teac teat teba tebo teca tech teco tect teec teet teho teoh teta tete teth teto tett thaa thae thao that thca thch the- thea theb thec thee theo thet thoe thoo thot thtb toab toat toba tobe tobo