a-a a-b a-c a-t aaa aab aac aam aao aas aat ab- aba abb abc abm abo abs abt ac- aca acb acc acm aco acs act ama amb amc amm amo ams amt aoa aob aoc aom aoo aos aot as- asa asb asc asm aso ass ast at- ata atb atc atm ato ats att baa bab bac bam bao bas bat bba bbb bbc bbm bbo bbs bbt bca bcb bcc bcm bco bcs bct bma bmb bmc bmm bmo bms bmt boa bob boc bom boo bos bot bsa bsb bsc bsm bso bss bst bta btb btc btm bto bts btt c-- caa cab cac cam cao cas cat cba cbb cbc cbm cbo cbs cbt cca ccb ccc ccm cco ccs cct cma cmb cmc cmm cmo cms cmt co- coa cob coc com coo cos cot csa csb csc csm cso css cst cta ctb ctc ctm cto cts ctt m-o maa mab mac mam mao mas mat mba mbb mbc mbm mbo mbs mbt mc- mca mcb mcc mcm mco mcs mct mma mmb mmc mmm mmo mms mmt moa mob moc mom moo mos mot msa msb msc msm mso mss mst mta mtb mtc mtm mto mts mtt oaa oab oac oam oao oas oat ob- oba obb obc obm obo obs obt oc- oca ocb occ ocm oco ocs oct om- oma omb omc omm omo oms omt oo- ooa oob ooc oom ooo oos oot os- osa osb osc osm oso oss ost ot- ota otb otc otm oto ots ott saa sab sac sam sao sas sat sba sbb sbc sbm sbo sbs sbt sca scb scc scm sco scs sct sma smb smc smm smo sms smt soa sob soc som soo sos sot ss- ssa ssb ssc ssm sso sss sst sta stb stc stm sto sts stt taa tab tac tam tao tas tat tba tbb tbc tbm tbo tbs tbt tca tcb tcc tcm tco tcs tct tma tmb tmc tmm tmo tms tmt to- toa tob toc tom too tos tot tsa tsb tsc tsm tso tss tst tta ttb ttc ttm tto tts ttt

aaaa aaab aaac aaam aaas aaba aabb aabc aabm aabt aaca aacb aacc aacm aaco aacs aact aama aamb aamc aamo aams aaoo aasa aasc aasm aass aast aata aatc aatt abaa abab abac abam abas abat abb- abba abbb abbo abbs abbt abca abcb abcc abcs abct abma abmb abmc abms abmt aboa abob aboo abos abot abs- absa abss abta abts ac-t acaa acab acac acas acat acba acca accc accm acco accs acct acma acmc acms acoa acom acos acot acsa acsc acsm acss acst acta actc acto acts actt amaa amac amam amas amat amb- amba ambo ambs amca amcc amco amcs amm- amma ammo amob amoc amoo amos amot amsa amsc amso amss amst amta amtc amto amts aoba aoca aocs aoma aoss aotc asaa asab asac asam asao asas asat asba asbm asbo asc- asca ascb ascc asco asct asma asmm asms asmt asob asoc asom asos asot assa assc asso asss asst asta astb astc astm asto asts at-t ataa atab atac atas atat atbs atca atcc atco atcs atm- atma atmo atms atob atoc atom atos atot atsb atsc atst atta atto atts baaa baam baas baat baba babb babm babo babs bac- baca bacc baco bacs bact bama bamb bamc bamm bams baos basa basc baso bass bast bata batc bato bats batt bbas bbbb bbbs bbcm bcaa bcam bcas bcat bcbc bcbs bcca bccc bccm bccs bcma bcms bcos bcsa bcsc bcsm bcss bctc bcts bmaa bmoc bmtc bmts boab boac boas boat boba bobb bobo bobs boca bocm boco bocs boma bomb boms bomt boob booc boom boos boot bosa bosc bosm boso boss bost bota botb boto bots bott bsaa bsac bsam bsas bsat bscs bsms bsmt bsos bssc bssm bsts btaa btcc btcs btob btss bttb c-bo caaa caab caac caam caas caat caba cabo cabs cac- caca cacc cacm caco cama camb camc camm camo cams camt caos casa casb casc casm caso cass cast cat- cata catb catc catm cato cats catt cbac cbat cbbc cbbs cbca cbcc cbcm cbcs cbct cbms cbot cbsa cbsc cbsm cbta cbtc ccaa ccab ccac ccam ccas ccat ccba ccbc ccca cccb cccc cccm cccs ccma ccmb ccmc ccmm ccms ccob ccoc ccom ccsa ccss ccst cctb cctc cctt cmaa cmac cmas cmba cmbc cmbs cmcc cmcs cmmb cmmc cmms cmoc cmos cmot cmsa cmsc cmst cmta cmtc coas coat coba cobb cobo cobs coca coco coct com- coma comb comc comm como coms coob coom coos coot cosa cosc cosm coso coss cost cota cotb cotc coto cots cott csaa csab csac csao csas csat csbm cscb cscc csco cscs csma csmc csob csom csos csot cssa cssm csta cstc cstm csto csts ctab ctba ctbs ctca ctma ctmo ctos ctot ctsa ctsc ctss ctta ctts maaa maac maam maas maat maba mabo mabs mac- maca macb macc maco macs mact mama mamc mamo mams maoc maos masa masc mass mast mata matc mato mats matt mbac mbam mbas mbba mbbs mbca mbcs mbms mbta mcaa mcac mcas mcat mcba mcbc mcca mccc mcmc mcmt mcot mcsa mcss mcst mctc mcts mmaa mmab mmac mmas mmcc mmcm mmcs mmct mmmc mmmm mmms mmsc mmst mmts moaa moab moac moam moas moat moba mobb mobo mobs moca moco mocs moma momo moms mooa moob mooc moos moot mosa mosc moso moss most mota motb motm moto mots mott msaa msas msat msba msca mscc msco msma msmb msmc msmm msms msoa mssa mssm msst msta mstc msts mtaa mtab mtac mtas mtbc mtbo mtbs mtoa mtom mtsa mtss mtst mtts oama oams oasc oass oast oats obas obba obbo obos obot obss obst obts ocab ocac ocam ocas ocat ocbc occa occc occt ocma ocms ocom ocos ocsa oct- octa octo octs omac omam omao omas