a-a a-b a-t aaa aab aag aao aap aas aat ab- aba abb abg abo abp abs abt ag- aga agb agg ago agp ags agt aoa aob aog aoo aop aos aot ap- apa apb apg apo app aps apt as- asa asb asg aso asp ass ast at- ata atb atg ato atp ats att b-p baa bab bag bao bap bas bat bba bbb bbg bbo bbp bbs bbt bga bgb bgg bgo bgp bgs bgt boa bob bog boo bop bos bot bpa bpb bpg bpo bpp bps bpt bsa bsb bsg bso bsp bss bst bta btb btg bto btp bts btt g-p gaa gab gag gao gap gas gat gba gbg gbo gbp gbs gbt gga ggb ggg ggo ggp ggs ggt goa gob gog goo gop gos got gpa gpb gpg gpo gpp gps gpt gsa gsb gsg gso gsp gss gst gta gtb gtg gto gtp gts gtt oaa oab oag oao oap oas oat ob- oba obb obg obo obp obs obt oga ogg ogo ogp ogs ogt oo- ooa oob oog ooo oop oos oot op- opa opb opg opo opp ops opt os- osa osb osg oso osp oss ost ot- ota otb otg oto otp ots ott p-p paa pab pag pao pap pas pat pba pbb pbg pbo pbp pbs pbt pga pgb pgg pgo pgp pgs pgt poa pob pog poo pop pos pot ppa ppb ppg ppo ppp pps ppt ps- psa psb psg pso psp pss pst pt- pta ptb ptg pto ptp pts ptt saa sab sag sao sap sas sat sba sbb sbg sbo sbp sbs sbt sga sgb sgg sgo sgp sgs sgt soa sob sog soo sop sos sot spa spb spg spo spp sps spt ss- ssa ssb ssg sso ssp sss sst sta stb stg sto stp sts stt taa tab tag tao tap tas tat tba tbb tbg tbo tbp tbs tbt tga tgb tgg tgo tgp tgs tgt to- toa tob tog too top tos tot tpa tpb tpg tpo tpp tps tpt tsa tsb tsg tso tsp tss tst tta ttb ttg tto ttp tts ttt

aaaa aaab aaap aaas aaba aabb aabp aabt aaoo aapa aapo aaps aapt aasa aass aast aata aatt abaa abab abag abap abas abat abb- abba abbb abbo abbs abbt aboa abob aboo abos abot abpa abpp abps abs- absa absp abss abta abts ag-o agag agao agap agas agat agba agbo agga agob agog agoo agos agot agps agsa agsg agst agta agts aoba aopo aosp aoss apao apap apas apat apba apbg apbs apga apo- apoo apop apos apot appa apps appt apsa apso apss apta apts aptt asaa asab asag asao asap asas asat asba asbo asgp asgt asob asog asop asos asot aspa aspo asps aspt assa asso assp asss asst asta astb asto astp asts at-t ataa atab atap atas atat atbs atgo atob atop atos atot atsb atst atta atto attp atts baaa baas baat baba babb babo babs baga bagg bago bags bagt baos bapa bapp baps bapt basa baso bass bast bata bato bats batt bbas bbbb bbbs bbga bggs bgst boab boag boas boat boba bobb bobo bobs boga bogg bogo bogs bogt boob boog boop boos boot bopa bopp bops bosa boso boss bost bota botb boto bots bott bpot bpsa bsaa bsap bsas bsat bsgs bsos bspp bsts btaa btbp btob btps btss bttb gaap gaas gaba gabb gabo gabp gabs gabt gaga gagg gago gags gaos gapa gapp gaps gapt gasa gasb gaso gasp gass gast gata gato gats gatt gbag gbap gbas gbbo gbbs ggbt gggg ggpo ggss goas goat goba gobo gobs goga gogo gogs goog goop goos goot gopo gops goso goss gost gota goto gots gott gpaa gpas gpgp gpos gpot gpsa gpsg gpso gpss gsab gsat gsos gspt gtaa gtap gtop gtos gtta oaps oass oast oats obas obba obbo obos obot obss obst obts ogb ogba ogoa ogog ooaa ooba oooo ooos oops oosa oost ootb ootp oots opap opo- opos oppa oppo opps opsa opto opts osag osap osas osat osba osbp osoo osos ossa ossb osso osta osts otap otas otbs oto- otog otoo otos otpp otsa otsg otso otta otto otts paag paap paas paat paba pabt paga pagb pago paos papa papb papg papp paps pasa paso pasp pass past pata pato pats patt pbpa pbsa pbsp pgaa pgas pgsa pgss poas poat poba pobo pobs pogg pogo pogs poop poos poot pop- popa popo popp pops popt posa posb poso poss post pota poto pots pott ppap ppga ppoa ppos pppa pppo pppp ppps ppss ppta ppts pptt psap psas psat psbt psga psoa psos pspp psps pssa psso psst psts ptab ptas ptgs ptop ptsa s-os saab saag saap saas saat saba sabb sabo sabs saga sagg sago sags sagt saos sapa sapo sapp saps sasa saso sass sast sata satb satg sato sats satt sbaa sbas sbbs sbot sbsa sbsp sbst sgaa sgap sggg sggs sgps sgss sgta sgts soap soas soat soba sobo sobp sobs sobt soga sogo sogs soog soop soos soot sopa sopo sopp sops sosa soso soss sost sota soto sotp sots sp-a spag spap spas spat spgb spgt spoo spop spos spot spps spsa spso spsp spss spst spta sptb spto spts ssaa ssab ssao ssap ssas ssat ssgs ssgt ssop ssot sspa sspo ssps sspt sssa sssb ssss ssta sstb sstp ssts stab stag stap stas stat stbs stoa stob stog stoo stop stos stot stpp stps stss taa- taag taas taat taba tabb tabo tabs taga tagg tago tags taoa taos tapa tapo tapp taps tapt tasa tasb tasp tass tast tata tatb tato tats tatt tbas tbbs tbgs tbsp tbst tbta tbtp tgts toab toas toat toba tobo tobs tobt toga togo togs togt tooa toos toot top- topa topo topp tops topt tosa tosb toso toss tost tota toto tots tott tpap tpbg tppa tppp