a-a a-b a-c aaa aab aac aad aae aas aau ab- aba abb abc abd abe abs abu ac- aca acb acc acd ace acs acu ad- ada adb adc add ade ads adu aea aeb aec aed aee aes aeu as- asa asb asc asd ase ass asu au- aua aub auc aud aue aus b-u baa bab bac bad bae bas bau bba bbb bbc bbd bbe bbs bbu bca bcb bcc bcd bce bcs bcu bda bdb bdc bdd bde bds bdu be- bea beb bec bed bee bes beu bsa bsb bsc bsd bse bss bsu bua bub buc bud bue bus buu c-- caa cab cac cad cae cas cau cba cbb cbc cbd cbe cbs cbu cca ccb ccc ccd cce ccs ccu cda cdb cdc cdd cde cds cdu ce- cea ceb cec ced cee ces ceu csa csb csc csd cse css csu cua cub cuc cud cue cus cuu daa dab dac dad dae das dau dba dbb dbc dbd dbe dbs dbu dca dcb dcc dcd dce dcs dcu dda ddb ddc ddd dde dds ddu de- dea deb dec ded dee des deu dsa dsb dsc dsd dse dss dsu dua dub duc dud due dus eaa eab eac ead eae eas eau eba ebb ebc ebd ebe ebs ebu ec- eca ecb ecc ecd ece ecs ecu ed- eda edb edc edd ede eds edu eea eeb eec eed eee ees es- esa esb esc esd ese ess esu eu- eua eub euc eud eue eus saa sab sac sad sae sas sau sba sbb sbc sbd sbe sbs sbu sca scb scc scd sce scs scu sda sdb sdc sdd sde sds sdu se- sea seb sec sed see ses seu ss- ssa ssb ssc ssd sse sss ssu sua sub suc sud sue sus suu ua- uaa uab uac uad uae uas uau uba ubb ubc ube ubs ubu uca ucb ucc ucd uce ucs ucu uda udb udc udd ude uds udu uea ueb uec ued uee ues usa usb usc usd use uss usu uua uuc uue uus uuu

-ase a-be aaaa aaab aaac aaad aaae aaas aaba aabb aabc aabd aaca aacb aacc aacd aace aacs aacu aada aadc aade aads aadu aaea aaec aaes aasa aasc aasd aase aass aasu aaus abaa abab abac abad abae abas abau abb- abba abbb abbe abbs abca abcb abcc abcd abcs abda abdu abec abed abee abes abs- absa absd abse abss absu abua abud abue abus acaa acab acac acad acae acas acba acca accc accd acce accs accu acda acdb acdc acde acds ace- acea acec aced aces acsa acsc acsd acse acss acu- acue acus adaa adab adac adad adae adas adba adbc adcc adcs adda addc addd adde adds addu adea adeb adee ades adsa adss adua adub adue aeac aeas aebs aecb aede aesc aesd aess asaa asab asac asad asae asas asau asba asbu asc- asca ascb ascc asce asda asde asds asea asec asee ases assa assc assd asse asss assu asub asud asue asus auaa aube auca auce audc aude ausa ausd ause ausu baaa baad baas baba babb babe babs babu bac- baca bacc bace bacs bada badb badd bade bads badu baed baes basa basc base bass basu bau- baud bbad bbas bbau bbbb bbbs bbdd bbeb bcaa bcas bcbc bcbs bcca bccc bccs bcda bcde bcds bcec bces bcsa bcsc bcss bcuc bdbc bddc bdes bdsd bead beas beau beba bebb bebe beca becs becu beda bede beds bedu beeb beed bees bes- besa bese bess bsaa bsac bsas bsbd bscs bsea bseb bsec bsed bsee bses bssc bssd bsse buad buba bubb bube bubs bubu buca bucc buce bucs bucu buda budb budd bude buds budu buea bueu busa busc buse buss busu buus c-cd caaa caab caac caas caba cabe cabs cabu cac- caca cacc cace cada cadc cadd cade cads cadu caec caes caeu casa casb casc casd case cass casu cauc caus cbac cbbc cbbs cbca cbcc cbce cbcs cbcu cbdb cbdc cbds cbea cbec cbee cbsa cbsc cbse cbus ccaa ccab ccac ccad ccas ccba ccbc ccca cccb cccc cccs cccu ccdc ccds cced ccee ccsa ccsd ccss ccuc ccus cd-e cdaa cdac cdad cdba cdcs cdda cddb cdec cdes cdss ceac cead ceas ceba cebs cebu cec- ceca cece cecs ceda cedd cede cedu ceeb ceec cees cesa cesc cese cess csaa csab csac csas cscb cscc cscd csce cscs csda csdb csea csec csee cssa cssd csse csua csus cuau cub- cuba cubb cube cubs cuca cucc cuce cuda cude cuds cued cues cusa cusb cusd cuss cusu daab daad daae daas daau daba dabb dabs dabu daca dace dacs dada dade dads dadu daeb daeu dasa dasb dasc dasd dase dass daub daud daue daus dbas dbcc dbcs dbsa dbss dbus dcas dcbc dcca dccb dccc dccs dccu dcdb dcds dcsc dcss dddd ddes ddss ddub deac dead deae deas deau deba debe debs debu dec- deca decc decd dece decs deda dedd dede dedu deeb deed dees des- desa desc dese dess desu deua deue deus dsac dsba dsbc dscc dscs dsda dsea dssa dssc duaa duab duad duas dub- duba dubb dubc dube dubs dubu duca duce ducs duda dudd dude duds dudu dues dusa duse eaba eaca eacc eada eadb eadd eads eaec easa ease eaus ebac ebba ebbc ebbs ebcc ebed ebes ebsa ebus ecaa ecac ecad ecbc ecbe ecca eccb eccc ecce ecdc eced eces ecsa ecsc ecse ecss ecsu ecua ecus edac edad edas edca edda eddc edde edds ede- edea edes edsa edss educ eeca eecs eede eedu eeea eeee eees eese esab esac esad esas esau esba esbs esca escb esce escs escu esda esds esdu esea esee eses essa esse essu esus euba eubc eucd eude eusa euse sa-c saab saac saad saae saas saba sabb sabc sabe sabs sabu saca sacc sacd sace sacs sacu sada