a-a a-b a-c a-t aaa aab aac aad aae aao aat ab- aba abb abc abd abe abo abt ac- aca acb acc acd ace aco act ad- ada adb adc add ade ado adt aea aeb aec aed aee aeo aet aoa aob aoc aod aoe aoo aot at- ata atb atc atd ate ato att baa bab bac bad bae bao bat bba bbb bbc bbd bbe bbo bbt bca bcb bcc bcd bce bco bct bda bdb bdc bdd bde bdo bdt be- bea beb bec bed bee beo bet boa bob boc bod boe boo bot bta btb btc btd bte bto btt c-- caa cab cac cad cae cao cat cba cbb cbc cbd cbe cbo cbt cca ccb ccc ccd cce cco cct cda cdb cdc cdd cde cdo cdt ce- cea ceb cec ced cee ceo cet co- coa cob coc cod coe coo cot cta ctb ctc ctd cte cto ctt daa dab dac dad dae dao dat dba dbb dbc dbd dbe dbo dbt dca dcb dcc dcd dce dco dct dda ddb ddc ddd dde ddo ddt de- dea deb dec ded dee deo det doa dob doc dod doe doo dot dta dtb dtc dtd dte dto dtt eaa eab eac ead eae eao eat eba ebb ebc ebd ebe ebo ebt ec- eca ecb ecc ecd ece eco ect ed- eda edb edc edd ede edo edt eea eeb eec eed eee eeo eet eo- eoa eob eoc eod eoe eoo eot eta etb etc etd ete eto ett oaa oab oac oad oae oao oat ob- oba obb obc obd obe obo obt oc- oca ocb occ ocd oco oct oda odb odc odd ode odo odt oea oeb oec oed oee oeo oet oo- ooa oob ooc ood ooo oot ot- ota otb otc otd ote oto ott taa tab tac tad tae tao tat tba tbb tbc tbd tbe tbo tbt tca tcb tcc tcd tce tco tct tda tdb tdc tdd tde tdo tdt te- tea teb tec ted tee teo tet to- toa tob toc tod toe too tot tta ttb ttc ttd tte tto ttt

a-be a-do aaaa aaab aaac aaad aaae aaba aabb aabc aabd aabt aaca aacb aacc aacd aace aaco aact aada aadc aade aadt aaea aaec aaoe aaoo aata aatc aatt abaa abab abac abad abae abat abb- abba abbb abbe abbo abbt abca abcb abcc abcd abct abda abdo abec abed abee abet aboa abob abod aboo abot abta ac-t acaa acab acac acad acae acat acba acca accc accd acce acco acct acda acdb acdc acde acdt ace- acea acec aced acet acoa acod acoe acot acta actc acte acto actt adaa adab adac adad adae adao adat adba adbc adcc adda addc addd adde addo adea adeb adee adeo adet adob adoc adod adoe adoo adot adta aeac aecb aect aede aedt aeta aetc aeto aett aoba aoca aoce aotc aotd at-t ataa atab atac atad atae atat atca atcc atco atdt atea atec ated atee ateo atob atoc atod atoe atot atta atte atto baaa baad baat baba babb babe babo bac- baca bacc bace baco bact bada badb badd bade bado baed bata batc bate bato batt bbad bbbb bbdd bbdo bbeb bbet bcaa bcat bcbc bcca bccc bcda bcde bcec bcet bctc bdbc bddc bead beat beba bebb bebe bebo beca beda bede bedo beeb beed beet beo- beod beot beta betc bete beto bett boab boac boad boat boba bobb bobe bobo boca boce boco boda bodb bode bodo boea boec boee boeo boet boob booc bood booe boot bota botb botd bote boto bott btaa btcc btdt btec btob bttb c-bo c-cd caaa caab caac caat caba cabe cabo cac- caca cacc cace caco cada cadc cadd cade cado caec caod cat- cata catb catc catd cate cato catt cbac cbat cbbc cbca cbcc cbce cbct cbdb cbdc cbdo cbea cbec cbee cbet cbot cbta cbtc ccaa ccab ccac ccad ccat ccba ccbc ccca cccb cccc ccdc cced ccee ccob ccoc ccod cctb cctc cctt cd-e cdaa cdac cdad cdba cdda cddb cdec cdot ceac cead ceat ceba cec- ceca cece ceco cect ceda cedd cede cedo cedt ceeb ceec cet- ceta cete ceto coad coat coba cobb cobe cobo coca coce coco coct coda codd code coed coob cood coot cota cotb cotc cote coto cott ctab ctae ctba ctca ctec ctot ctta d-bo daab daad daae daba dabb dabo dabt daca dace dact dada dade dado daeb data date dato datt dbcc dbtt dcbc dcca dccb dccc dcct dcdb dctc dddd ddoc ddot deac dead deae deba debe debt dec- deca decc decd dece deco dect deda dedd dede dedo deeb deed deet deta dete deto doab doae doat doba dobb dobe doca doce doco doct dod- doda dodd dode dodo doea doob dood doot dota dotd dote doto dott dtaa dtac dtcc dted dtot eaba eaca eacc eada eadb eadd eaec eata eate ebac ebba ebbc ebbo ebcc ebed eboe eboo ecaa ecac ecad ecao ecat ecbc ecbe ecca eccb eccc ecce ecco ecct ecdc eced eco- ecod ecot ect- ecta ectc ecto edac edad edca edda eddc edde eddo ede- edea edoc edod edta eeca eede eeea eeee eeoc eeta eetc eete eocd eode eota eotc eotd eoto etat etbc etcc etco etec etee etoe etta ette etto o-eo oade oate obad obba obbo obdt obea obec obed obet oboe obot obtd ocab ocac ocad ocat ocbc occa occc occt oce oced ocee ocet oct- octa octe octo odac odbo odda oddd odea oded odeo odet odoo odot oec- oeca oecc oedo oeec oeta ooaa ooba oobe ooda oooo ootb otac otbd otcd otea oted otee oto- otoe otoo otta otte otto taa- taat taba tabb tabc tabe tabo taca tacc tace taco tact tada tade tado taec taoa tata tatb tate tato tatt tbca tbcb tbcc tbcd tbce tbta tcad tcca tccc tcdd tctc tdac