a-a a-b a-c a-t aaa aab aac aae aaj aak aao aat ab- aba abb abc abe abj abk abo abt ac- aca acb acc ace acj ack aco act aea aeb aec aee aej aek aeo aet aja ajb ajc aje ajj ajk ajo ajt aka akb akc ake akj akk ako aoa aob aoc aoe aoj aok aoo aot at- ata atb atc ate ato att baa bab bac bae baj bak bao bat bba bbb bbc bbe bbk bbo bbt bca bcb bcc bce bcj bck bco bct be- bea beb bec bee bek beo bet bja bjc bjj bjk bjt bka bkb bkc bke bkk bko bkt boa bob boc boe boj bok boo bot bta btb btc bte btk bto btt c-- c-j caa cab cac cae caj cak cao cat cba cbb cbc cbe cbj cbk cbo cbt cca ccb ccc cce ccj cck cco cct ce- cea ceb cec cee cej cek ceo cet cja cjb cjc cjk cka ckb ckc cko ckt co- coa cob coc coe coj cok coo cot cta ctb ctc cte ctk cto ctt eaa eab eac eae eaj eak eao eat eba ebb ebc ebe ebj ebk ebo ebt ec- eca ecb ecc ece ecj eck eco ect eea eeb eec eee eek eeo eet eja ejc ejo ejt eka ekb ekc eke eko ekt eo- eoa eob eoc eoe eok eoo eot eta etb etc ete etj etk eto ett jaa jab jac jae jaj jak jao jat jba jbc jbj jbk jbo jbt jca jcb jcc jce jck jco jct jea jeb jec jee jej jek jeo jet jja jjb jjc jjj jjk jka jkb jkk jko jkt joa job joc joe joj jok joo jot jta jtb jtc jte jtk jtt k-t ka- kaa kab kac kae kaj kak kao kat kba kbb kbc kbe kbk kbo kca kcb kcc kce kck kct ke- kea keb kec kee kek keo ket kjb kjc kje kkb kkc kke kkk kkt koa kob koc koe kok koo kot kta ktb ktc kte ktj ktk kto ktt oaa oab oac oae oaj oak oao oat ob- oba obb obc obe obj obk obo obt oc- oca ocb occ ocj ock oco oct oea oeb oec oee oeo oet oja ojb ojc oje ojo oka okb okc oke okj okk oko oo- ooa oob ooc ook ooo oot ot- ota otb otc ote otk oto ott taa tab tac tae taj tak tao tat tba tbb tbc tbe tbj tbk tbo tbt tca tcb tcc tce tcj tck tco tct te- tea teb tec tee tej tek teo tet tjc tje tjo tka tkb tkc tke tkk tko tkt to- toa tob toc toe toj tok too tot tta ttb ttc tte ttk tto ttt

a-ak a-be a-ok aaaa aaab aaac aaae aaba aabb aabc aabt aaca aacb aacc aace aack aaco aact aaea aaec aaka aake aaoe aaoo aata aatc aatk aatt abaa abab abac abae abaj abak abat abb- abba abbb abbe abbo abbt abca abcb abcc abct abec abee abet aboa abob abok aboo abot abta ac-t acaa acab acac acae acat acba acca accc acce acco acct ace- acea acec acek acet acke acoa acoe acot acta actc acte acto actt aeac aecb aect aeka aeta aetc aeto aett ajab ajac ajak ajao ajat ajba ajee ajet ajka ajob ajoo ajot akaa akae akao akca akee akka akko akok akot akte aoba aoca aoce aotc at-t ataa atab atac atae atak atat atca atcc atck atco atea atec atee ateo atka atkt atob atoc atoe atok atot atta atte atto baaa baak baat baba babb babe babo bac- baca bacc bace back baco bact baek baja bak- baka bake bako bakt bata batc bate bato batt bbbb bbeb bbet bcaa bcat bcbc bcca bccc bcec bcet bctc beak beat beba bebb bebe bebo beca beck beeb beej beek beet beja beka beke beko beo- beok beot beta betc bete beto bett bjcc bjec bjoa boab boac boak boat boba bobb bobe bobo boca boce bock boco boea boec boee boeo boet bojo bojt boka boke boko boob booc booe book boot bota botb bote boto bott btaa btcc btec btek btob bttb c-bo caaa caab caac caat caba cabe cabo cac- caca cacc cace cack caco caec caja caka cake cat- cata catb catc cate cato catt cbac cbat cbbc cbca cbcc cbce cbct cbea cbec cbee cbet cbka cbkj cbko cbot cbta cbtc ccaa ccab ccac ccat ccba ccbc ccca cccb cccc ccee ccjo ccob ccoc cctb cctc cctt ceac ceat ceba cec- ceca cece ceco cect ceeb ceec ceja cejc ceke cet- ceta cete ceto cjbc cjbk cjca cjcb cjcj cjob ckac ckat ckbc ckbe ckck ckco ckoa ckob ckoc ckoo ckot cktb coak coat coba cobb cobe cobo coca coce cock coco coct cojo cok- coka coke coko coob cook coot cota cotb cotc cote coto cott ctab ctae ctba ctca ctec ctot ctta eaba eaca eacc eaec eata eate ebac ebba ebbc ebbo ebcc eboe eboo ecaa ecac ecao ecat ecbc ecbe ecca eccb eccc ecce ecco ecct ecka ecko eco- ecot ect- ecta ectc ecto eeca eeea eeee eeka eeke eeoc eeta eetc eete ejob ejoo ejot eka- ekab ekco ekeb ekek eket ekka ekoa ekta eoka eota eotc eoto etak etat etbc etcc etco etec etee etka etoe etok etta ette etto jaak jaba jabo jaca jacc jace jack jaco jaja jaka jake jako jato jbaa jbob jcbc jccc jeat jebb jebe jeet jeke jeok jeta jetb jete jett jjcc joab joao joba jobe jobo joca joce jock joco joea joee jojo joka jokb joke jook joot jota joto jott jtac jtbc jtcc kaaa kaab kaak kaat kaba kabb kabc kabe kabo kacb kacc kace kaco kact kaeo kaet kaja kajb kajc kaje kajk kajo kajt kaka kakc kake kakj kakk kako kakt kaoa kaoc kaok kat- kata katb katc kate katk kato katt kbaa kbab kbac kbae