-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aao aat ab- aba abb abc abh abi abo abt ac- aca acb acc ach aci aco act aha ahb ahc ahh ahi aho aht ai- aia aib aic aih aii aio ait aoa aob aoc aoh aoi aoo aot at- ata atb atc ath ati ato att baa bab bac bah bai bao bat bba bbb bbc bbh bbi bbo bbt bca bcb bcc bch bci bco bct bha bhb bhc bhh bhi bho bht bi- bia bib bic bih bii bio bit boa bob boc boh boi boo bot bta btb btc bth bti bto btt c-- caa cab cac cah cai cao cat cba cbb cbc cbh cbi cbo cbt cca ccb ccc cch cci cco cct ch- cha chb chc chh chi cho cht ci- cia cib cic cih cii cio cit co- coa cob coc coh coi coo cot cta ctb ctc cth cti cto ctt h-i haa hab hac hah hai hao hat hba hbb hbc hbh hbi hbo hbt hca hcb hcc hch hci hco hct hha hhb hhc hhh hhi hho hht hia hib hic hih hii hio hit hoa hob hoc hoh hoi hoo hot hta htb htc hth hti hto htt ia- iaa iab iac iah iai iao iat iba ibb ibc ibh ibi ibo ibt ica icb icc ich ici ico ict iha ihb ihc ihh ihi iho iht iia iib iic iih iii iio iit io- ioa iob ioc ioh ioi ioo iot ita itb itc ith iti ito itt o-i oaa oab oac oah oai oao oat ob- oba obb obc obh obi obo obt oc- oca ocb occ och oci oco oct oha ohc ohh ohi oho oht oia oib oic oii oio oit oo- ooa oob ooc ooh ooi ooo oot ot- ota otb otc oth oti oto ott taa tab tac tah tai tao tat tba tbb tbc tbh tbi tbo tbt tca tcb tcc tch tci tco tct th- tha thb thc thh thi tho tht tia tib tic tih tii tio tit to- toa tob toc toh toi too tot tta ttb ttc tth tti tto ttt

a-ha a-ii aaaa aaab aaac aaah aaai aaba aabb aabc aabh aabi aabt aaca aacb aacc aach aaci aaco aact aaha aaib aaic aaii aaoo aata aatc aatt abaa abab abac abai abat abb- abba abbb abbi abbo abbt abca abcb abcc abch abci abct abha abhi abho abia abib abic abit aboa abob aboh aboo abot abta ac-t acaa acab acac acai acat acba acca accc acch acci acco acct acha achh achi acho acht aci- acia acic acoa acoh acot acta actc acth acti acto actt ahab ahac ahah ahai ahat ahha ahio ahit ahoa ahot ahta ahti ahto aiai aiba aibo aica aicc aich aiha aiho aiia aiib aiic aioc aioi aita aith aiti aitt aoah aoba aoca aotc at-t ataa atab atac atai atat atca atcc atch atco atha athi atho atia atic atit atob atoc atoi atot atta atti atto ba-i baaa baah baat baba babb babi babo bac- baca bacc bach baci baco bact baha bahi baho baht baia baib baic baio bait baoh bata batc bath bati bato batt bbbb bbch bbci bcaa bcat bcbc bcca bccc bcci bcia bcit bctc bhai bhao bhat bhca bhcc bhit bhoi bhot biao biat biba bibb bibi bibo bica bicc bich bici bico biha bihi bio- bioc bioi biot bita bitc bith bito bitt boab boac boai boat boba bobb bobi bobo boca boch boco boha boho boht boi- boii boit boob booc booh boot bota botb both boti boto bott btaa btcc btob bttb c-bo caaa caab caac caah caat caba cabi cabo cac- caca cacc cach caci caco caha caht caia caib caic caio cait caoi cat- cata catb catc cath cati cato catt cbac cbat cbbc cbca cbcc cbct cbha cbia cbit cbot cbta cbtc ccaa ccab ccac ccai ccat ccba ccbc ccca cccb cccc ccci ccha ccic ccii ccob ccoc cctb cctc cctt chaa chab chac chah chai chao chat chca chch chci chha chia chib chic chih chit choc choh choi choo chto chtt ciaa ciao ciat ciba cibc cibi cibo cica cicc cich cici cico cict ciht ciia ciii ciit ciob cita citb cith citi cito citt coai coat coba cobb cobh cobi cobo coca coch coco coct coha coho coia coit coob cooh coot cota cotb cotc coth coti coto cott ctab ctba ctbi ctca ctia ctic ctot ctta h-ii haab haat haba habi habo habt haco haha haho haht hait hata hatb hath hati hato hatt hbic hbio hbit hboc hcat hcbc hcca hccb hccc hcch hchi hhaa hhat hhhh hi-c hiaa hiab hiba hibi hibt hicc hich hico hihc hihi hiho hiht hiit hiob hioc hita hitc hiti hito hitt hoac hoai hoat hoba hobo hoca hoch hoha hoho hoit hoot hota hotb hoth hoti hoto hott htab htcc htoh iaaa iaac iaai iaat iaba iaca iacc iact iahc iaia iata iatc iati ibac ibat ibca ibia ibot ibtb ibtc icaa icab icac icai icao icat icbc icca iccb iccc icci icco icct ichc ichi icho icoc icta ihab ihba ihcc ihit ihob ihtc iiac iica iiht iiii iiio iiit iioi iioo iita iitt ioba iobi ioci ioii ioio ioit iooi iooo iota ioto itaa itac itai itat itch itha ithc itia itic itoh itoi itoo itta itto oaic oath obai obba obbo obia obit oboi obot ocab ocac ocat ocbc occa occc occi occt ocha ochi ocht oct- octa octi octo ohai ohba ohcc ohhi ohho ohia ohio ohob ohoh ohta ohto oiba oici oiii oita oitc oiti ooaa ooba oobi ooha ooho ooia oooh oooo ootb otac otha otho otic otit oto- otoh otoo otta otti otto taa- taat taba tabb tabc tabi tabo taca tacc tach taci taco tact taha tahi taho taia taio tait taoa tata tatb tath tati tato tatt tbca tbcb tbcc tbit tbta