a-a a-b a-t aaa aab aam aao aap aas aat ab- aba abb abm abo abp abs abt ama amb amm amo amp ams amt aoa aob aom aoo aop aos aot ap- apa apb apm apo app aps apt as- asa asb asm aso asp ass ast at- ata atb atm ato atp ats att b-p baa bab bam bao bap bas bat bba bbb bbm bbo bbp bbs bbt bma bmb bmm bmo bmp bms bmt boa bob bom boo bop bos bot bpa bpb bpm bpo bpp bps bpt bsa bsb bsm bso bsp bss bst bta btb btm bto btp bts btt m-o maa mab mam mao map mas mat mba mbb mbm mbo mbp mbs mbt mma mmb mmm mmo mmp mms mmt moa mob mom moo mop mos mot mpa mpb mpm mpo mpp mps mpt msa msb msm mso msp mss mst mta mtb mtm mto mtp mts mtt oaa oab oam oao oap oas oat ob- oba obb obm obo obp obs obt om- oma omb omm omo omp oms omt oo- ooa oob oom ooo oop oos oot op- opa opb opm opo opp ops opt os- osa osb osm oso osp oss ost ot- ota otb otm oto otp ots ott p-p paa pab pam pao pap pas pat pba pbb pbm pbo pbp pbs pbt pma pmb pmm pmo pmp pms pmt poa pob pom poo pop pos pot ppa ppb ppm ppo ppp pps ppt ps- psa psb psm pso psp pss pst pt- pta ptb ptm pto ptp pts ptt saa sab sam sao sap sas sat sba sbb sbm sbo sbp sbs sbt sma smb smm smo smp sms smt soa sob som soo sop sos sot spa spb spm spo spp sps spt ss- ssa ssb ssm sso ssp sss sst sta stb stm sto stp sts stt taa tab tam tao tap tas tat tba tbb tbm tbo tbp tbs tbt tma tmb tmm tmo tmp tms tmt to- toa tob tom too top tos tot tpa tpb tpm tpo tpp tps tpt tsa tsb tsm tso tsp tss tst tta ttb ttm tto ttp tts ttt

aaaa aaab aaam aaap aaas aaba aabb aabm aabp aabt aama aamb aamo aamp aams aaoo aapa aapm aapo aaps aapt aasa aasm aass aast aata aatt abaa abab abam abap abas abat abb- abba abbb abbo abbs abbt abma abmb abms abmt aboa abob aboo abos abot abpa abpm abpp abps abs- absa absp abss abta abts amaa amam amap amas amat amb- amba ambo ambs amm- amma ammo amob amoo amos amot ampa ampm ampo amps ampt amsa amso amss amst amta amto amtp amts aoba aoma aopo aosp aoss apam apao apap apas apat apba apbs apma apo- apom apoo apop apos apot appa apps appt apsa apso apss apta apts aptt asaa asab asam asao asap asas asat asba asbm asbo asma asmm asmp asms asmt asob asom asop asos asot aspa aspm aspo asps aspt assa asso assp asss asst asta astb astm asto astp asts at-t ataa atab atap atas atat atbs atm- atma atmo atmp atms atob atom atop atos atot atsb atst atta atto attp atts baaa baam baas baat baba babb babm babo babs bama bamb bamm bamp bams baos bapa bapp baps bapt basa baso bass bast bata bato bats batt bbas bbbb bbbs bmaa bmop bmpt bmts boab boas boat boba bobb bobo bobs boma bomb bomp boms bomt boob boom boop boos boot bopa bopp bops bosa bosm boso boss bost bota botb boto bots bott bpms bpot bpsa bsaa bsam bsap bsas bsat bsms bsmt bsos bspp bssm bsts btaa btbp btob btps btss bttb maaa maam maap maas maat maba mabo mabs mama mamo mamp mams maos mapa mapo mapp maps masa masp mass mast mata mato mats matt mbam mbas mbba mbbs mbms mbps mbta mmaa mmab mmap mmas mmmm mmms mmpa mmst mmts moaa moab moam moap moas moat moba mobb mobo mobs moma momo moms mooa moob moop moos moot mopa mopp mops mosa moso moss most mota motb motm moto mots mott mpaa mpao mpas mppp mpps mpsa mpst mpta mptp msaa msas msat msba msma msmb msmm msms msoa msop mspa mspb mspp mssa mssm mssp msst msta mstp msts mtaa mtab mtap mtas mtbo mtbs mtoa mtom mtpa mtsa mtss mtst mtts oama oamp oams oaps oass oast oats obas obba obbo obos obot obss obst obts omam omao omap omas ombo omma omo- omoa omoo ompa omps ompt omsa ooaa ooba ooma ooms oooo ooos oops oosa oost ootb ootp oots opap opms opo- opos oppa oppo opps opsa opsm opto opts osam osap osas osat osba osbp osm- osmo osoo osos ospm ossa ossb osso osta osts otap otas otbs otma oto- otoo otos otpp otsa otso otta otto otts paap paas paat paba pabt pam- pama pamb pamm pamo pamp pams paos papa papb papp paps pasa pasm paso pasp pass past pata pato pats patt pbpa pbsa pbsp pmaa pmat pmma pmmp pmos pmpm pmpo pmsa pmts poas poat poba pobo pobs poma pomo pomp poms poop poos poot pop- popa popo popp pops popt posa posb poso poss post pota poto pots pott ppap ppms ppoa ppos pppa pppo pppp ppps ppss ppta ppts pptt psap psas psat psbt psoa psos pspp psps pssa pssm psso psst psts ptab ptas ptmp ptms ptop ptsa s-os saab saam saap saas saat saba sabb sabo sabs sam- sama samm samo samp sams samt saos sapa sapo sapp saps sasa sasm saso sass sast sata satb sato sats satt sbaa sbas sbbs sbma sbot sbsa sbsp sbst smaa smap smas smat smba smos smot smpa smps smsp smss smtp soam soap soas soat soba sobo sobp sobs sobt soma somb somm somo soom soop soos soot sopa sopo sopp sops sosa soso soss sost sota sotm soto sotp sots sp-a spam spap spas spat spma