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 ombo omca omma omo- omoa omoo omsa ooaa ooba ooma ooms oooo ooos oosa oost ootb oots osam osas osat osba osca oscc osco osm- osmo osoo osos ossa ossb osso osta ostc osts otac otas otbs otma oto- otoo otos otsa otso otta otto otts s-os sa-c saab saac saam saas saat saba sabb sabc sabo sabs saca sacc saco sacs sact sam- sama samc samm samo sams samt saos sasa sasc sasm saso sass sast sata satb satc sato sats satt sbaa sbac sbas sbbs sbca sbcc sbcs sbct sbma sbmc sbot sbsa sbst sbtc scaa scab scac scam scas scat scba sccc sccm sccs scct scma scmc scmm scmo scms scob scom scoo scot scsa scsc scso scst sctc scto scts smaa smac smas smat smba smbc smcc smoc smos smot smsc smss smtc soam soas soat soba sobo sobs sobt soca socm soco socs soma somb somm somo soom soos soot sosa soso soss sost sota sotc sotm soto sots ssaa ssab ssac ssam ssao ssas ssat ssca sscc sscs ssmc ssoc ssot sssa sssb sssc sssm ssss ssta sstb sstc ssts stab stac stam stas stat stbc stbs stca stcc stcs stmc stms stmt stoa stob stom stoo stos stot stsm stss sttc t-mo taa- taas taat taba tabb tabc tabo tabs taca tacc taco tacs tact tama tamc tamm tamo tams taoa taom taos tasa tasb tasc tasm tass tast tata tatb tato tats tatt tbas tbbs tbca tbcb tbcc tbst tbta tcam tcbs tcca tccc tcom tcos tctc tcts tmaa tmac tmbc tmca tmcc tmcm tmos tmsa tmsc tmtt toab toam toas toat toba tobo tobs tobt toca toco toma tomb tomm tomo toms tomt tooa toom toos toot tosa tosb tosc toso toss tost tota totc totm toto tots tott tsaa tsam tsao tsat tsbc tsca tscc tsmc tsob tsom tsos tssa tssm tsst tstc tstm tsts ttab ttbb ttma ttms ttss tttt