a-a a-b a-c aaa aab aac aam aao aap aas ab- aba abb abc abm abo abp abs ac- aca acb acc acm aco acp acs ama amb amc amm amo amp ams aoa aob aoc aom aoo aop aos ap- apa apb apc apm apo app aps as- asa asb asc asm aso asp ass b-p baa bab bac bam bao bap bas bba bbb bbc bbm bbo bbp bbs bca bcb bcc bcm bco bcp bcs bma bmb bmc bmm bmo bmp bms boa bob boc bom boo bop bos bpa bpb bpc bpm bpo bpp bps bsa bsb bsc bsm bso bsp bss c-- caa cab cac cam cao cap cas cba cbb cbc cbm cbo cbp cbs cca ccb ccc ccm cco ccp ccs cma cmb cmc cmm cmo cmp cms co- coa cob coc com coo cop cos cpa cpb cpc cpm cpo cpp cps csa csb csc csm cso csp css m-o maa mab mac mam mao map mas mba mbb mbc mbm mbo mbp mbs mc- mca mcb mcc mcm mco mcp mcs mma mmb mmc mmm mmo mmp mms moa mob moc mom moo mop mos mpa mpb mpc mpm mpo mpp mps msa msb msc msm mso msp mss oaa oab oac oam oao oap oas ob- oba obb obc obm obo obp obs oc- oca ocb occ ocm oco ocp ocs om- oma omb omc omm omo omp oms oo- ooa oob ooc oom ooo oop oos op- opa opb opc opm opo opp ops os- osa osb osc osm oso osp oss p-p paa pab pac pam pao pap pas pba pbb pbc pbm pbo pbp pbs pca pcb pcc pcm pco pcp pcs pma pmb pmc pmm pmo pmp pms poa pob poc pom poo pop pos ppa ppb ppc ppm ppo ppp pps ps- psa psb psc psm pso psp pss saa sab sac sam sao sap sas sba sbb sbc sbm sbo sbp sbs sca scb scc scm sco scp scs sma smb smc smm smo smp sms soa sob soc som soo sop sos spa spb spc spm spo spp sps ss- ssa ssb ssc ssm sso ssp sss

aaaa aaab aaac aaam aaap aaas aaba aabb aabc aabm aabp aaca aacb aacc aacm aaco aacp aacs aama aamb aamc aamo aamp aams aaoo aapa aapc aapm aapo aaps aasa aasc aasm aass abaa abab abac abam abap abas abb- abba abbb abbo abbs abca abcb abcc abcp abcs abma abmb abmc abms aboa abob aboo abos abpa abpc abpm abpp abps abs- absa absp abss acaa acab acac acap acas acba acca accc accm acco accp accs acma acmc acmp acms acoa acom acop acos acpa acpm acps acsa acsc acsm acss amaa amac amam amap amas amb- amba ambo ambs amca amcc amco amcs amm- amma ammo amob amoc amoo amos ampa ampc ampm ampo amps amsa amsc amso amss aoba aoca aocs aoma aopo aosp aoss apac apam apao apap apas apba apbs apca apcb apcc apcm apco apcs apma apo- apoc apom apoo apop apos appa appc apps apsa apso apss asaa asab asac asam asao asap asas asba asbm asbo asc- asca ascb ascc asco ascp asma asmm asmp asms asob asoc asom asop asos aspa aspc aspm aspo asps assa assc asso assp asss baaa baam baas baba babb babm babo babs bac- baca bacc baco bacs bama bamb bamc bamm bamp bams baos bapa bapc bapp baps basa basc baso bass bbas bbbb bbbs bbcm bcaa bcam bcap bcas bcbc bcbp bcbs bcca bccc bccm bccs bcma bcmp bcms bcos bcpp bcps bcsa bcsc bcsm bcss bmaa bmoc bmop boab boac boas boba bobb bobo bobs boca bocm boco bocs boma bomb bomp boms boob booc boom boop boos bopa bopp bops bosa bosc bosm boso boss bpcp bpmc bpms bpsa bsaa bsac bsam bsap bsas bscp bscs bsms bsos bspp bssc bssm c-bo caaa caab caac caam caap caas caba cabo cabs cac- caca cacc cacm caco cama camb camc camm camo camp cams caos capa capb capc capm capo capp caps casa casb casc casm caso 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 ccob ccoc ccom ccpa ccpm ccpp ccps ccsa ccsp ccss cmaa cmac cmap cmas cmba cmbc cmbs cmcc cmcs cmmb cmmc cmms cmoc cmos cmpa cmpc cmpp cmsa cmsc coas coba cobb cobo cobs coca coco cocp com- coma comb comc comm como comp coms coob coom coop coos copa copo copp cops cosa cosc cosm coso cosp coss cpaa cpac cpam cpap cpas cpbc cpca cpcm cpcs cpma cpmp cpos cppa cppm cpps cpsa cpsc cpso csaa csab csac csao csas csbm cscb cscc csco cscs csma csmc csob csom csos cspa cspb cspc csps cssa cssm maaa maac maam maap maas maba mabo mabs mac- maca macb macc maco macp macs mama mamc mamo mamp mams maoc maos mapa mapo mapp maps masa masc masp mass mbac mbam mbas mbba mbbs mbca mbcs mbms mbps mcaa mcac mcap mcas mcba mcbc mcca mccc mcmc mcop mcpa mcpb mcpc mcpp mcps mcsa mcsp mcss mmaa mmab mmac mmap mmas mmcc mmcm mmcs mmmc mmmm mmms mmpa mmpc mmsc moaa moab moac moam moap moas moba mobb mobo mobs moca moco mocs moma momo moms mooa moob mooc moop moos mopa mopp mops mosa mosc moso moss mpaa mpac mpao mpas mpca mpcc mpmc mppc mppp mpps mpsa msaa msas msba msca mscc msco mscp msma msmb msmc msmm msms msoa msop mspa mspb mspp mssa mssm mssp oama oamp oams oaps oasc oass obas obba obbo obos obss ocab ocac ocam ocap ocas ocbc occa occc ocma ocms ocom ocos ocpa ocpm ocpp ocsa omac omam omao omap omas ombo omca omma omo- omoa omoo ompa omps omsa ooaa ooba ooma ooms oooo