a-a a-b a-t aaa aab aag aao aap aar aas aat ab- aba abb abg abo abp abr abs abt ag- aga agb agg ago agp agr ags agt aoa aob aog aoo aop aor aos aot ap- apa apb apg apo app apr aps apt ar- ara arb arg aro arp arr ars art as- asa asb asg aso asp asr ass ast at- ata atb atg ato atp atr ats att b-p baa bab bag bao bap bar bas bat bba bbb bbg bbo bbp bbr bbs bbt bga bgb bgg bgo bgp bgr bgs bgt boa bob bog boo bop bor bos bot bpa bpb bpg bpo bpp bpr bps bpt bra brb brg bro brp brr brs brt bsa bsb bsg bso bsp bsr bss bst bta btb btg bto btp btr bts btt g-p gaa gab gag gao gap gar gas gat gba gbg gbo gbp gbr gbs gbt gga ggb ggg ggo ggp ggr ggs ggt goa gob gog goo gop gor gos got gpa gpb gpg gpo gpp gpr gps gpt gra grb grg gro grp grr grs grt gsa gsb gsg gso gsp gsr gss gst gta gtb gtg gto gtp gtr gts gtt oaa oab oag oao oap oar oas oat ob- oba obb obg obo obp obr obs obt oga ogg ogo ogp ogs ogt oo- ooa oob oog ooo oop oor oos oot op- opa opb opg opo opp opr ops opt or- ora orb org oro orp orr ors ort os- osa osb osg oso osp osr oss ost ot- ota otb otg oto otp otr ots ott p-p paa pab pag pao pap par pas pat pba pbb pbg pbo pbp pbr pbs pbt pga pgb pgg pgo pgp pgr pgs pgt poa pob pog poo pop por pos pot ppa ppb ppg ppo ppp ppr pps ppt pra prb prg pro prp prr prs prt ps- psa psb psg pso psp psr pss pst pt- pta ptb ptg pto ptp ptr pts ptt ra- raa rab rag rao rap rar ras rat rba rbb rbg rbo rbp rbr rbs rbt rga rgb rgg rgo rgp rgr rgs rgt roa rob rog roo rop ror ros rot rpa rpb rpg rpo rpp rpr rps rpt rra rrb rrg rrp rrr rrs rrt rsa rsb rsg rso rsp rsr rss rst rta rtb rtg rto rtp rtr rts rtt saa sab sag sao sap sar sas sat sba sbb sbg sbo sbp sbr sbs sbt sga sgb sgg sgo sgp sgr sgs sgt soa sob sog soo sop sor sos sot spa spb spg spo spp spr sps spt sr- sra srb srg sro srp srr srs srt ss- ssa ssb ssg sso ssp ssr sss sst sta stb stg sto stp str sts stt taa tab tag tao tap tar tas tat tba tbb tbg tbo tbp tbr tbs tbt tga tgb tgg tgo tgp tgr tgs tgt to- toa tob tog too top tor tos tot tpa tpb tpg tpo tpp tpr tps tpt tra trb trg tro trp trr trs trt tsa tsb tsg tso tsp tsr tss tst tta ttb ttg tto ttp ttr tts ttt

aaaa aaab aaap aaar aaas aaba aabb aabp aabt aaoo aapa aapo aaps aapt aara aaro aarp aars aart aasa aass aast aata aatt abaa abab abag abap abar abas abat abb- abba abbb abbo abbr abbs abbt aboa abob aboo abor abos abot abpa abpp abpr abps abra abro abrs abs- absa absp abss abta abts ag-o agag agao agap agar agas agat agba agbo agga agob agog agoo agos agot agps agra agro agrp agsa agsg agst agta agtr agts aoba aopo aora aorb aors aort aosp aoss apao apap apar apas apat apba apbg apbr apbs apga apo- apoo apop apor apos apot appa appr apps appt apra apro aprs aprt apsa apso apss apta apts aptt arab arag arap arar aras arat arba arbs arga argb argo args aroa arob aroo aror aros arpa arps arr- arra arrg arro arrr arrs arrt ars- arsa arso arst arta arto artr arts asaa asab asag asao asap asar asas asat asba asbo asgp asgt asob asog asop asor asos asot aspa aspo aspr asps aspt asra asrg asro asrs assa asso assp assr asss asst asta astb asto astp astr asts at-t ataa atab atap atar atas atat atbs atgo atob atop ator atos atot atpr atra atro atrp atsb atst atta atto attp attr atts baaa baar baas baat baba babb babo babr babs baga bagg bago bags bagt baos bapa bapp baps bapt bar- bara barb barg baro barr bars bart basa baso bass bast bata bato bats batt bbas bbbb bbbs bbga bbpr bbrg bggs bgst boab boag boar boas boat boba bobb bobo bobs boga bogg bogo bogs bogt boob boog boop boor boos boot bopa bopp bops bor- bora borg boro borr bors bort bosa boso boss bost bota botb boto bots bott bpot bpsa brab brag brao bras brat broa brob brog broo bror bros brot brrr brrs brsb brsr brst bsaa bsap bsas bsat bsgs bsos bspp bspr bsra bsts btaa btbp btob btor btps btrt btss bttb gaap gaar gaas gaba gabb gabo gabp gabr gabs gabt gaga gagg gago gags gaos gapa gapp gaps gapt gara garb garg garo garp garr gars gart gasa gasb gaso gasp gasr gass gast gata gato gatr gats gatt gbag gbap gbas gbbo gbbs ggbt gggg ggpo ggss goar goas goat goba gobo gobs goga gogo gogs goog goop goor goos goot gopo gops gora gorb gorg goro gorp gorr gors gort goso goss gost gota goto gots gott gpaa gpas gpgp gpos gpot gpra gprp gprs gpsa gpsg gpso gpss grab grap gras grat grbr grob grog groo grop gror gros grot grps grrr grrs grss gsab gsat gsos gspt gstr gtaa gtap gtbr gtop gtos gtta oaps oara oars oass oast oats obas obba obbo obor obos obot obra