a-a a-b a-c a-q a-t aaa aab aac aae aak aao aaq aat aau ab- aba abb abc abe abk abo abq abt abu ac- aca acb acc ace ack aco acq act acu aea aeb aec aee aek aeo aeq aet aeu aka akb akc ake akk ako aku aoa aob aoc aoe aok aoo aot aou aqa aqc aqo aqt at- ata atb atc ate ato att atu au- aua aub auc aue auk auo aut b-u baa bab bac bae bak bao baq bat bau bba bbb bbc bbe bbk bbo bbq bbt bbu bca bcb bcc bce bck bco bcq bct bcu be- bea beb bec bee bek beo beq bet beu bka bkb bkc bke bkk bko bkq bkt boa bob boc boe bok boo boq bot bou bqc bqe bqt bta btb btc bte btk bto btq btt btu bua bub buc bue buk buo but buu c-- caa cab cac cae cak cao caq cat cau cba cbb cbc cbe cbk cbo cbq cbt cbu cca ccb ccc cce cck cco cct ccu ce- cea ceb cec cee cek ceo ceq cet ceu cka ckb ckc cko ckt co- coa cob coc coe cok coo coq cot cou cqa cqb cqc cqo cqt cta ctb ctc cte ctk cto ctq ctt ctu cua cub cuc cue cuk cuo cuq cut cuu eaa eab eac eae eak eao eat eau eba ebb ebc ebe ebk ebo ebq ebt ebu ec- eca ecb ecc ece eck eco ecq ect ecu eea eeb eec eee eek eeo eet eka ekb ekc eke eko ekt eku eo- eoa eob eoc eoe eok eoo eoq eot eou eqa eqe eqq eqt equ eta etb etc ete etk eto ett etu eu- eua eub euc eue eut k-t ka- kaa kab kac kae kak kao kat kau kba kbb kbc kbe kbk kbo kbu kca kcb kcc kce kck kct kcu ke- kea keb kec kee kek keo ket kkb kkc kke kkk kkt kku koa kob koc koe kok koo kot kou kqa kta ktb ktc kte ktk kto ktt ktu kub kuc kue kuk kut kuu oaa oab oac oae oak oao oaq oat oau ob- oba obb obc obe obk obo obt obu oc- oca ocb occ ock oco oct ocu oea oeb oec oee oeo oet oka okb okc oke okk oko oku oo- ooa oob ooc ook ooo oot oqb oqo ot- ota otb otc ote otk oto ott otu ou- oua ouc oue ouk ouo out qaa qac qat qau qba qbc qbe qbq qca qcc qco qct qec qee qeo qet qoo qqk qqq qqu qta qtc qto qtq qu- qua que quo qut taa tab tac tae tak tao taq tat tau tba tbb tbc tbe tbk tbo tbt tbu tca tcb tcc tce tck tco tct tcu te- tea teb tec tee tek teo teq tet teu tka tkb tkc tke tkk tko tkt to- toa tob toc toe tok too toq tot tou tqo tta ttb ttc tte ttk tto ttt ttu tua tub tuc tue tuk tuo tut tuu ua- uaa uab uac uae uak uao uaq uat uau uba ubb ubc ube ubk ubo ubt ubu uca ucb ucc uce uck uco uct ucu uea ueb uec uee uet uka ukb ukc uke ukk uku uoa uob uoc uoe uok uoo uot uta utb utc ute utk uto utt utu uua uuc uue uut uuu

a-ak a-be a-ok aaaa aaab aaac aaae aaba aabb aabc aabt aaca aacb aacc aace aack aaco aact aacu aaea aaec aaka aake aaku aaoe aaoo aata aatc aatk aatt abaa abab abac abae abak abat abau abb- abba abbb abbe abbo abbt abca abcb abcc abct abec abee abet aboa abob abok aboo abot abou abta abtu abua abue abuk abut ac-t acaa acab acac acae acat acba acca accc acce acco acct accu ace- acea acec acek acet acke acoa acoe acot acou acta actc acte acto actt actu acu- acue acuo acut aeac aecb aect aeka aeta aetc aeto aett akaa akae akao akca akee akeu akka akko akku akok akot akqa akte akua aoba aoca aoce aoeu aotc aout aqu- aqua aque aquo at-t ataa atab atac atae atak ataq atat atca atcc atck atco atea atec atee ateo atka atkt atob atoc atoe atok atot atta atte atto attu atua atub atuc atuk auaa aube auca auce auct auke aut- aute auto baaa baak baat baba babb babe babo babu bac- baca bacc bace back baco bact baek bak- baka bake bako bakt baku baqa baqt bata batc bate bato batt batu bau- bauk bbau bbbb bbbq bbeb bbet bcaa bcat bcbc bcca bccc bcec bcet bctc bcuc beak beat beau beba bebb bebe bebo beca beck becu beeb beek beet beka beke beko beo- beok beot beqa beta betc bete beto bett betu beuk boab boac boak boat boba bobb bobe bobo bobu boca boce bock boco bocq bocu boea boec boee boeo boet boka boke boko boku boob booc booe book boot boqe bota botb bote boto bott boua boue bouk bout bque btaa btcc btec btek btob btqk bttb buat buba bubb bube bubo bubq bubu buca bucc buce buck buco bucu buea bueu buka buke bukk buko buku buqa but- buta bute buto butt c-bo caaa caab caac caat caba cabe cabo cabu cac- caca cacc cace cack caco caec caeu caka cake cat- cata catb catc cate cato catt catu cauc cauk cauo caut cbac cbat cbbc cbca cbcc cbce cbct cbcu cbea cbec cbee cbet cbka cbko cboq cbot cbta cbtc ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccu ccee ccob ccoc cctb cctc cctt ccuc ccut ceac ceat ceba cebu cec- ceca cece ceco cect ceeb ceec ceke ceou ceqa cet- ceta cete ceto ckac ckat ckbc ckbe ckck ckco ckoa ckob ckoc ckoo ckot cktb coak coat coba cobb cobe cobo cobu coca coce cock coco coct