-ic a-a a-b a-c a-i a-t aaa aab aac aae aai aao aat ab- aba abb abc abe abi abo abt ac- aca acb acc ace aci aco act aea aeb aec aee aei aeo aet ai- aia aib aic aie aii aio ait aoa aob aoc aoe aoi aoo aot at- ata atb atc ate ati ato att baa bab bac bae bai bao bat bba bbb bbc bbe bbi bbo bbt bca bcb bcc bce bci bco bct be- bea beb bec bee bei beo bet bi- bia bib bic bie bii bio bit boa bob boc boe boi boo bot bta btb btc bte bti bto btt c-- caa cab cac cae cai cao cat cba cbb cbc cbe cbi cbo cbt cca ccb ccc cce cci cco cct ce- cea ceb cec cee cei ceo cet ci- cia cib cic cie cii cio cit co- coa cob coc coe coi coo cot cta ctb ctc cte cti cto ctt eaa eab eac eae eai eao eat eba ebb ebc ebe ebi ebo ebt ec- eca ecb ecc ece eci eco ect eea eeb eec eee eeo eet eia eib eic eie eii eio eit eo- eoa eob eoc eoe eoi eoo eot eta etb etc ete eti eto ett ia- iaa iab iac iae iai iao iat iba ibb ibc ibe ibi ibo ibt ica icb icc ice ici ico ict ie- iea iec iee iei iet iia iib iic iie iii iio iit io- ioa iob ioc ioe ioi ioo iot ita itb itc ite iti ito itt o-i oaa oab oac oae oai oao oat ob- oba obb obc obe obi obo obt oc- oca ocb occ oci oco oct oea oeb oec oee oei oeo oet oia oib oic oie oii oio oit oo- ooa oob ooc ooi ooo oot ot- ota otb otc ote oti oto ott taa tab tac tae tai tao tat tba tbb tbc tbe tbi tbo tbt tca tcb tcc tce tci tco tct te- tea teb tec tee tei teo tet tia tib tic tie tii tio tit to- toa tob toc toe toi too tot tta ttb ttc tte tti tto ttt

a-be a-ii aaaa aaab aaac aaae aaai aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aaco aact aaea aaec aaib aaic aaii aaoe aaoo aata aatc aatt abaa abab abac abae abai abat abb- abba abbb abbe abbi abbo abbt abca abcb abcc abci abct abec abee abet abia abib abic abie abit aboa abob aboo abot abta ac-t acaa acab acac acae acai acat acba acca accc acce acci acco acct ace- acea acec acet aci- acia acic acie acoa acoe acot acta actc acte acti acto actt aeac aebi aecb aeci aect aeio aeit aeta aetc aeto aett aiai aiba aibo aica aicc aice aiea aiee aiet aiia aiib aiic aioc aioi aita aite aiti aitt aoba aoca aoce aotc at-t ataa atab atac atae atai atat atca atcc atco atea atec atee atei ateo atia atic atie atit atob atoc atoe atoi atot atta atte atti atto ba-i baaa baat baba babb babe babi babo bac- baca bacc bace baci baco bact baia baib baic baie baio bait bata batc bate bati bato batt bbbb bbci bbeb bbet bcaa bcat bcbc bcca bccc bcci bcec bcet bcia bcie bcit bctc beat beba bebb bebe bebi bebo beca beci beeb beet beia beic beit beo- beot beta betc bete beti beto bett biao biat biba bibb bibe bibi bibo bica bicc bice bici bico bieb biet bio- bioc bioi biot bita bitc bite bito bitt boab boac boai boat boba bobb bobe bobi bobo boca boce boco boea boec boee boeo boet boi- boie boii boit boob booc booe boot bota botb bote boti boto bott btaa btcc btec btie btob bttb c-bo caaa caab caac caat caba cabe cabi cabo cac- caca cacc cace caci caco caec caei caia caib caic caio cait caoi cat- cata catb catc cate cati cato catt cbac cbat cbbc cbca cbcc cbce cbct cbea cbec cbee cbet cbia cbit cbot cbta cbtc ccaa ccab ccac ccai ccat ccba ccbc ccca cccb cccc ccci ccee ccic ccii ccob ccoc cctb cctc cctt ceac ceat ceba cec- ceca cece ceci ceco cect ceeb ceec cet- ceta cete ceti ceto ciaa ciao ciat ciba cibc cibe cibi cibo cica cicc cici cico cict ciee ciia ciii ciit ciob cita citb cite citi cito citt coai coat coba cobb cobe cobi cobo coca coce coco coct coia coit coob coot cota cotb cotc cote coti coto cott ctab ctae ctba ctbi ctca ctec ctia ctic ctot ctta eaba eaca eacc eaec eata eate eati ebac ebba ebbc ebbo ebcc ebic ebit eboe eboo ecaa ecac ecai ecao ecat ecbc ecbe ecca eccb eccc ecce ecci ecco ecct ecib ecit eco- ecot ect- ecta ectc ecto eeca eeea eeee eeoc eeta eetc eete eiao eica eico eiec eiei eita eitb eitc eiti eito eota eotc eoto etai etat etbc etcc etco etec etee etic etio etoe etta ette etti etto i-be iaaa iaac iaai iaat iaba iaca iacc iact iaea iaec iaia iata iatc iate iati ibac ibat ibca ibea ibec ibet ibia ibie ibot ibtb ibtc icaa icab icac icai icao icat icbc icca iccb iccc icci icco icct icea icec icee icet icoc icta ieac ieat iecc ieet ieie ieio ieta iett iiac iica iiie iiii iiio iiit iioi iioo iita iitt ioba iobi ioci ioee ioii ioio ioit iooi iooo iota iote ioto itaa itac itai itat itbe itea itec itet itia itic itie itoi itoo itta itto o-eo oaic oate obai obba obbo obea obec obet obia obie obit oboe oboi obot ocab ocac ocat ocbc occa occc occi occt oce ocee ocet oct- octa octe octi octo oec- oeca oecc oeec oeta oeti oiba oici oiii oita oitc oiti ooaa ooba oobe oobi ooia oooo ootb otac otea otee otic otit oto- otoe