a-a a-b a-c a-t aaa aab aac aae aao aat aau aav ab- aba abb abc abe abo abt abu abv ac- aca acb acc ace aco act acu acv aea aeb aec aee aeo aet aeu aev aoa aob aoc aoe aoo aot aou aov at- ata atb atc ate ato att atu atv au- aua aub auc aue auo aut auv av- ava avb avc ave avo avt avu b-u baa bab bac bae bao bat bau bav bba bbb bbc bbe bbo bbt bbu bca bcb bcc bce bco bct bcu bcv be- bea beb bec bee beo bet beu bev boa bob boc boe boo bot bou bov bta btb btc bte bto btt btu btv bua bub buc bue buo but buu bva bvb bvc bve bvo bvt bvu bvv c-- caa cab cac cae cao cat cau cav cba cbb cbc cbe cbo cbt cbu cbv cca ccb ccc cce cco cct ccu ccv ce- cea ceb cec cee ceo cet ceu cev co- coa cob coc coe coo cot cou cov cta ctb ctc cte cto ctt ctu ctv cua cub cuc cue cuo cut cuu cuv cva cvb cvc cve cvo cvt cvu cvv eaa eab eac eae eao eat eau eav eba ebb ebc ebe ebo ebt ebu ebv ec- eca ecb ecc ece eco ect ecu ecv eea eeb eec eee eeo eet eev eo- eoa eob eoc eoe eoo eot eou eta etb etc ete eto ett etu etv eu- eua eub euc eue eut euv eva evb evc eve evo evt evv oaa oab oac oae oao oat oau oav ob- oba obb obc obe obo obt obu obv oc- oca ocb occ oco oct ocu ocv oea oeb oec oee oeo oet oo- ooa oob ooc ooo oot oov ot- ota otb otc ote oto ott otu otv ou- oua ouc oue ouo out ov- ova ovb ovc ove ovo ovv taa tab tac tae tao tat tau tav tba tbb tbc tbe tbo tbt tbu tbv tca tcb tcc tce tco tct tcu tcv te- tea teb tec tee teo tet teu tev to- toa tob toc toe too tot tou tov tta ttb ttc tte tto ttt ttu ttv tua tub tuc tue tuo tut tuu tuv tva tvb tvc tve tvo tvt tvu ua- uaa uab uac uae uao uat uau uav uba ubb ubc ube ubo ubt ubu ubv uca ucb ucc uce uco uct ucu ucv uea ueb uec uee uet uoa uob uoc uoe uoo uot uta utb utc ute uto utt utu utv uua uuc uue uut uuu uva uvb uvc uve uvo uvu uvv v-a v-e vaa vab vac vae vao vat vau vav vba vbc vbo vbv vca vcc vce vco vct vcu vea veb vec vee veo vet veu voa vob voc voe voo vot vou vov vta vtb vtc vte vto vtt vtu vtv vue vut vuv vva vvb vvc vvo vvt vvv

-vac a-be aaaa aaab aaac aaae aaav aaba aabb aabc aabt aaca aacb aacc aace aaco aact aacu aacv aaea aaec aaev aaoe aaoo aata aatc aatt aava abaa abab abac abae abat abau abb- abba abbb abbe abbo abbt abca abcb abcc abct abec abee abet aboa abob aboo abot abou abov abta abtu abua abue abut abva ac-t acaa acab acac acae acat acba acca accc acce acco acct accu ace- acea acec acet acev acoa acoe acot acou acta actc acte acto actt actu actv acu- acue acuo acut acvv aeac aecb aect aeta aetc aeto aett aeva aoba aoca aoce aoeu aotc aout at-t ataa atab atac atae atat atca atcc atco atea atec atee ateo atob atoc atoe atot atta atte atto attu atua atub atuc auaa aube auca auce auct aut- aute auto auve avab avao avat avcc avce avco avea avec aveo aveu avot avou avva avvo baaa baat baba babb babe babo babu bac- baca bacc bace baco bact bata batc bate bato batt batu bau- bava bave bavu bbau bbbb bbeb bbet bcaa bcat bcbc bcca bccc bcec bcet bctc bcuc bcvo beat beau beav beba bebb bebe bebo beca becu beeb beet beo- beot beta betc bete beto bett betu betv bevo boab boac boat boba bobb bobe bobo bobu boca boce boco bocu boea boec boee boeo boet boob booc booe boot bota botb bote boto bott boua boue bout bova bove bovo btaa btcc btec btob bttb buat buba bubb bube bubo bubu buca bucc buce buco bucu buea bueu but- buta bute buto butt buve c-bo caaa caab caac caat caba cabe cabo cabu cac- caca cacc cace caco caec caeu cat- cata catb catc cate cato catt catu catv cauc cauo caut cava cave cavo cavu cbac cbat cbbc cbca cbcc cbce cbct cbcu cbea cbec cbee cbet cbot cbta cbtc cbtv cbva cbvb cbve ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccu cccv ccee ccob ccoc cctb cctc cctt cctv ccuc ccut ccvo ceac ceat ceba cebu cec- ceca cece ceco cect ceeb ceec ceou cet- ceta cete ceto cetv ceva cevo coat coba cobb cobe cobo cobu coca coce coco coct cocu coob coot cota cotb cotc cote coto cott cotu coua coub coue cout cova cove covo ctab ctae ctba ctca ctec ctot ctta ctvo ctvt cuau cub- cuba cubb cube cuca cucc cuce cut- cuta cutc cute cuto cutt cutv cuve cvac cvca cvcc cvet cvte eaba eaca eacc eaec eata eate eave ebac ebba ebbc ebbo ebcc eboe eboo ecaa ecac ecao ecat ecbc ecbe ecca eccb eccc ecce ecco ecct eco- ecot ecou ect- ecta ectc ecto ectv ecua eeca eeea eeee eeoc eeta eetc eete eetu eeva eota eotc eoto etat etbc etcc etco etec etee etoe etta ette etto ettu etua etvo euba eubc evac evae evat evea evet evoe evoo o-eo oaau oate obba obbo obea obec obet oboe obot ocab ocac ocat ocbc occa occc occt oce