a-a a-b a-c a-t aaa aab aac aad aae aas aat aau ab- aba abb abc abd abe abs abt abu ac- aca acb acc acd ace acs act acu ad- ada adb adc add ade ads adt adu aea aeb aec aed aee aes aet aeu as- asa asb asc asd ase ass ast asu at- ata atb atc atd ate ats att atu au- aua aub auc aud aue aus aut b-u baa bab bac bad bae bas bat bau bba bbb bbc bbd bbe bbs bbt bbu bca bcb bcc bcd bce bcs bct bcu bda bdb bdc bdd bde bds bdt bdu be- bea beb bec bed bee bes bet beu bsa bsb bsc bsd bse bss bst bsu bta btb btc btd bte bts btt btu bua bub buc bud bue bus but buu c-- caa cab cac cad cae cas cat cau cba cbb cbc cbd cbe cbs cbt cbu cca ccb ccc ccd cce ccs cct ccu cda cdb cdc cdd cde cds cdt cdu ce- cea ceb cec ced cee ces cet ceu csa csb csc csd cse css cst csu cta ctb ctc ctd cte cts ctt ctu cua cub cuc cud cue cus cut cuu daa dab dac dad dae das dat dau dba dbb dbc dbd dbe dbs dbt dbu dca dcb dcc dcd dce dcs dct dcu dda ddb ddc ddd dde dds ddt ddu de- dea deb dec ded dee des det deu dsa dsb dsc dsd dse dss dst dsu dta dtb dtc dtd dte dts dtt dtu dua dub duc dud due dus dut eaa eab eac ead eae eas eat eau eba ebb ebc ebd ebe ebs ebt ebu ec- eca ecb ecc ecd ece ecs ect ecu ed- eda edb edc edd ede eds edt edu eea eeb eec eed eee ees eet es- esa esb esc esd ese ess est esu eta etb etc etd ete ets ett etu eu- eua eub euc eud eue eus eut saa sab sac sad sae sas sat sau sba sbb sbc sbd sbe sbs sbt sbu sca scb scc scd sce scs sct scu sda sdb sdc sdd sde sds sdt sdu se- sea seb sec sed see ses set seu ss- ssa ssb ssc ssd sse sss sst ssu sta stb stc std ste sts stt stu sua sub suc sud sue sus sut suu taa tab tac tad tae tas tat tau tba tbb tbc tbd tbe tbs tbt tbu tca tcb tcc tcd tce tcs tct tcu tda tdb tdc tdd tde tds tdt tdu te- tea teb tec ted tee tes tet teu tsa tsb tsc tsd tse tss tst tsu tta ttb ttc ttd tte tts ttt ttu tua tub tuc tud tue tus tut tuu ua- uaa uab uac uad uae uas uat uau uba ubb ubc ube ubs ubt ubu uca ucb ucc ucd uce ucs uct ucu uda udb udc udd ude uds udt udu uea ueb uec ued uee ues uet usa usb usc usd use uss ust usu uta utb utc utd ute uts utt utu uua uuc uue uus uut uuu

-ase a-be aaaa aaab aaac aaad aaae aaas aaba aabb aabc aabd aabt aaca aacb aacc aacd aace aacs aact aacu aada aadc aade aads aadt aadu aaea aaec aaes aasa aasc aasd aase aass aast aasu aata aatc aatt aaus abaa abab abac abad abae abas abat abau abb- abba abbb abbe abbs abbt abca abcb abcc abcd abcs abct abda abdu abec abed abee abes abet abs- absa absd abse abss absu abta abts abtu abua abud abue abus abut ac-t acaa acab acac acad acae acas acat acba acca accc accd acce accs acct accu acda acdb acdc acde acds acdt ace- acea acec aced aces acet acsa acsc acsd acse acss acst acta actc acte acts actt actu acu- acue acus acut adaa adab adac adad adae adas adat adba adbc adcc adcs adda addc addd adde adds addu adea adeb adee ades adet adsa adss adst adta adts adua adub adue aeac aeas aebs aecb aect aede aedt aesc aesd aess aest aeta aetc aett asaa asab asac asad asae asas asat asau asba asbu asc- asca ascb ascc asce asct asda asde asds asea asec asee ases aset assa assc assd asse asss asst assu asta astb astc aste asts asub asud asue asus at-t ataa atab atac atad atae atas atat atbs atca atcc atcs atdt atea atec ated atee ates atsb atsc atse atst atta atte atts attu atua atub atuc atus auaa aube auca auce auct audc aude ausa ausd ause aust ausu aut- aute auts baaa baad baas baat baba babb babe babs babu bac- baca bacc bace bacs bact bada badb badd bade bads badu baed baes basa basc base bass bast basu bata batc bate bats batt batu bau- baud bbad bbas bbau bbbb bbbs bbdd bbeb bbet bcaa bcas bcat bcbc bcbs bcca bccc bccs bcda bcde bcds bcec bces bcet bcsa bcsc bcss bctc bcts bcuc bdbc bddc bdes bdsd bead beas beat beau beba bebb bebe beca becs becu beda bede beds bedu beeb beed bees beet bes- besa bese bess best beta betc bete bets bett betu bsaa bsac bsas bsat bsbd bscs bsea bseb bsec bsed bsee bses bset bssc bssd bsse bsts btaa btcc btcs btdt btec btss bttb btus buad buat buba bubb bube bubs bubu buca bucc buce bucs bucu buda budb budd bude buds budu buea bueu busa busc buse buss bust busu but- buta bute buts butt buus c-cd caaa caab caac caas caat caba cabe cabs cabu cac- caca cacc cace cada cadc cadd cade cads cadu caec caes caeu casa casb casc casd case cass cast casu cat- cata catb catc catd cate cats catt catu cauc caus caut cbac cbat cbbc cbbs cbca cbcc cbce cbcs cbct cbcu cbdb cbdc cbds cbea cbec cbee cbet cbsa cbsc cbse