a-a a-b a-c aaa aab aac aad aam aao aas aau ab- aba abb abc abd abm abo abs abu ac- aca acb acc acd acm aco acs acu ad- ada adb adc add adm ado ads adu ama amb amc amd amm amo ams amu aoa aob aoc aod aom aoo aos aou as- asa asb asc asd asm aso ass asu au- aua aub auc aud aum auo aus b-u baa bab bac bad bam bao bas bau bba bbb bbc bbd bbm bbo bbs bbu bca bcb bcc bcd bcm bco bcs bcu bda bdb bdc bdd bdm bdo bds bdu bma bmb bmc bmd bmm bmo bms bmu boa bob boc bod bom boo bos bou bsa bsb bsc bsd bsm bso bss bsu bua bub buc bud bum buo bus buu c-- caa cab cac cad cam cao cas cau cba cbb cbc cbd cbm cbo cbs cbu cca ccb ccc ccd ccm cco ccs ccu cda cdb cdc cdd cdm cdo cds cdu cma cmb cmc cmd cmm cmo cms cmu co- coa cob coc cod com coo cos cou csa csb csc csd csm cso css csu cua cub cuc cud cum cuo cus cuu daa dab dac dad dam dao das dau dba dbb dbc dbd dbm dbo dbs dbu dca dcb dcc dcd dcm dco dcs dcu dda ddb ddc ddd ddm ddo dds ddu dma dmb dmc dmd dmm dmo dms dmu doa dob doc dod dom doo dos dou dsa dsb dsc dsd dsm dso dss dsu dua dub duc dud dum duo dus m-o maa mab mac mad mam mao mas mau mba mbb mbc mbd mbm mbo mbs mbu mc- mca mcb mcc mcd mcm mco mcs mcu mda mdb mdc mdd mdm mdo mds mdu mma mmb mmc mmd mmm mmo mms mmu moa mob moc mod mom moo mos mou msa msb msc msd msm mso mss msu mua mub muc mud mum mus muu oaa oab oac oad oam oao oas oau ob- oba obb obc obd obm obo obs obu oc- oca ocb occ ocd ocm oco ocs ocu oda odb odc odd odm odo ods odu om- oma omb omc omd omm omo oms omu oo- ooa oob ooc ood oom ooo oos os- osa osb osc osd osm oso oss osu ou- oua ouc oud oum ouo ous saa sab sac sad sam sao sas sau sba sbb sbc sbd sbm sbo sbs sbu sca scb scc scd scm sco scs scu sda sdb sdc sdd sdm sdo sds sdu sma smb smc smd smm smo sms smu soa sob soc sod som soo sos sou ss- ssa ssb ssc ssd ssm sso sss ssu sua sub suc sud sum suo sus suu ua- uaa uab uac uad uam uao uas uau uba ubb ubc ubo ubs ubu uca ucb ucc ucd ucm uco ucs ucu uda udb udc udd udm udo uds udu um- uma umb umc umd umm umo ums umu uoa uob uoc uod uom uoo uos usa usb usc usd usm uso uss usu uua uuc uum uus uuu

-ous a-do aaaa aaab aaac aaad aaam aaas aaba aabb aabc aabd aabm aaca aacb aacc aacd aacm aaco aacs aacu aada aadc aads aadu aama aamb aamc aamd aamo aams aaoo aasa aasc aasd aasm aass aasu aaus abaa abab abac abad abam abas abau abb- abba abbb abbo abbs abca abcb abcc abcd abcs abda abdo abdu abma abmb abmc abms aboa abob abod aboo abos abou abs- absa absd abss absu abua abud abum abus acaa acab acac acad acas acba acca accc accd accm acco accs accu acda acdb acdc acdm acds acma acmc acms acmu acoa acod acom acos acou acsa acsc acsd acsm acss acu- acum acuo acus adaa adab adac adad adam adao adas adba adbc adcc adcs adda addc addd addo adds addu adma admb adms adob adoc adod adoo ados adsa adsm adso adss adua adub amaa amac amad amam amas amb- amba ambo ambs ambu amca amcc amco amcs amda amdo amds amm- amma ammo ammu amob amoc amod amoo amos amou amsa amsc amsd amso amss amua amud amum aoba aoca aocs aoma aosd aoss aous asaa asab asac asad asam asao asas asau asba asbm asbo asbu asc- asca ascb ascc asco asda asdo asds asma asmd asmm asms asob asoc asod asom asos asou assa assc assd asso asss assu asub asud asum asus auaa auca audc audo auma ausa ausd ausm ausu baaa baad baam baas baba babb babm babo babs babu bac- baca bacc baco bacs bada badb badd bado bads badu bama bamb bamc bamm bams bamu baos basa basc baso bass basu bau- baud baum bbad bbas bbau bbbb bbbs bbcm bbdd bbdo bcaa bcam bcas bcbc bcbs bcca bccc bccm bccs bcda bcds bcma bcms bcos bcsa bcsc bcsm bcss bcuc bdbc bddc bdos bdsd bdsm bmaa bmdb bmoc bmus boab boac boad boas boba bobb bobo bobs bobu boca bocm boco bocs bocu boda bodb bodo bods bodu boma bomb boms bomu boob booc bood boom boos bosa bosc bosm boso boss bosu boua boud boum bous bsaa bsac bsam bsas bsbd bscs bsms bsod bsos bssc bssd bssm buad buba bubb bubo bubs bubu buca bucc buco bucs bucu buda budb budd budo buds budu bum- buma bumb bums busa busc buss busu buus c-bo c-cd caaa caab caac caam caas caba cabo cabs cabu cac- caca cacc cacm caco cada cadc cadd cadm cado cads cadu cama camb camc camm camo cams caod caos casa casb casc casd casm caso cass casu cauc caum cauo caus cbac cbbc cbbs cbca cbcc cbcm cbcs cbcu cbdb cbdc cbdo cbds cbms cbsa cbsc cbsm cbus ccaa ccab ccac ccad ccam ccas ccba ccbc ccca cccb cccc cccm cccs cccu ccdc ccdm ccds ccma ccmb ccmc ccmd ccmm ccms ccob ccoc ccod ccom ccsa ccsd ccss ccuc ccus cdaa cdac