aaaa aaab aaac aaam aaap aaas aaba aabb aabc aabm aabp aaca aacb aacc aacm aacp aacs aama aamb aamc aamp aams aapa aapc aapm aaps aasa aasc aasm aass abaa abab abac abam abap abas abb- abba abbb abbs abca abcb abcc abcp abcs abma abmb abmc abms abpa abpc abpm abpp abps abs- absa absp abss acaa acab acac acap acas acba acca accc accm accp accs acma acmc acmp acms acpa acpm acps acsa acsc acsm acss amaa amac amam amap amas amb- amba ambs amca amcc amcs amm- amma ampa ampc ampm amps amsa amsc amss apac apam apap apas apba apbs apca apcb apcc apcm apcs apma appa appc apps apsa apss asaa asab asac asam asap asas asba asbm asc- asca ascb ascc ascp asma asmm asmp asms aspa aspc aspm asps assa assc assp asss baaa baam baas baba babb babm babs bac- baca bacc bacs bama bamb bamc bamm bamp bams bapa bapc bapp baps basa basc bass bbas bbbb bbbs bbcm bcaa bcam bcap bcas bcbc bcbp bcbs bcca bccc bccm bccs bcma bcmp bcms bcpp bcps bcsa bcsc bcsm bcss bmaa bpcp bpmc bpms bpsa bsaa bsac bsam bsap bsas bscp bscs bsms bspp bssc bssm caaa caab caac caam caap caas caba cabs cac- caca cacc cacm cama camb camc camm camp cams capa capb capc capm capp caps casa casb casc casm casp cass cbac cbbc cbbs cbca cbcc cbcm cbcp cbcs cbms cbpc cbpp cbsa cbsc cbsm ccaa ccab ccac ccam ccap ccas ccba ccbc ccca cccb cccc cccm cccp cccs ccma ccmb ccmc ccmm ccmp ccms ccpa ccpm ccpp ccps ccsa ccsp ccss cmaa cmac cmap cmas cmba cmbc cmbs cmcc cmcs cmmb cmmc cmms cmpa cmpc cmpp cmsa cmsc cpaa cpac cpam cpap cpas cpbc cpca cpcm cpcs cpma cpmp cppa cppm cpps cpsa cpsc csaa csab csac csas csbm cscb cscc cscs csma csmc cspa cspb cspc csps cssa cssm maaa maac maam maap maas maba mabs mac- maca macb macc macp macs mama mamc mamp mams mapa mapp maps masa masc masp mass mbac mbam mbas mbba mbbs mbca mbcs mbms mbps mcaa mcac mcap mcas mcba mcbc mcca mccc mcmc mcpa mcpb mcpc mcpp mcps mcsa mcsp mcss mmaa mmab mmac mmap mmas mmcc mmcm mmcs mmmc mmmm mmms mmpa mmpc mmsc mpaa mpac mpas mpca mpcc mpmc mppc mppp mpps mpsa msaa msas msba msca mscc mscp msma msmb msmc msmm msms mspa mspb mspp mssa mssm mssp paap paas paba paca pacs pam- pama pamb pamm pamp pams papa papb papp paps pasa pasc pasm pasp pass pbac pbcc pbpa pbsa pbsp pcaa pcap pcas pcba pcbc pcbm pcbs pcca pccc pccs pcmb pcpb pcpm pcpp pcps pcsa pmaa pmac pmcc pmma pmmp pmpm pmsa ppac ppap ppcc ppcm ppcs ppms pppa pppp ppps ppss psac psap psas psca pspp psps pssa pssc pssm sa-c saab saac saam saap saas saba sabb sabc sabs saca sacc sacs sam- sama samc samm samp sams sapa sapp saps sasa sasc sasm sass sbaa sbac sbas sbbs sbca sbcc sbcs sbma sbmc sbsa sbsp scaa scab scac scam scap scas scba sccc sccm sccp sccs scma scmc scmm scmp scms scpa scpb scpm scps scsa scsc smaa smac smap smas smba smbc smcc smcp smpa smps smsc smsp smss sp-a spac spam spap spas spca spcc spcs spma spms spps spsa spsp spss ssaa ssab ssac ssam ssap ssas ssca sscc sscp sscs ssmc sspa sspc ssps sssa sssb sssc sssm ssss