a-a a-b a-t aaa aab aao aap aas aat ab- aba abb abo abp abs abt aoa aob aoo aop aos aot ap- apa apb apo app aps apt as- asa asb aso asp ass ast at- ata atb ato atp ats att b-p baa bab bao bap bas bat bba bbb bbo bbp bbs bbt boa bob boo bop bos bot bpa bpb bpo bpp bps bpt bsa bsb bso bsp bss bst bta btb bto btp bts btt oaa oab oao oap oas oat ob- oba obb obo obp obs obt oo- ooa oob ooo oop oos oot op- opa opb opo opp ops opt os- osa osb oso osp oss ost ot- ota otb oto otp ots ott p-p paa pab pao pap pas pat pba pbb pbo pbp pbs pbt poa pob poo pop pos pot ppa ppb ppo ppp pps ppt ps- psa psb pso psp pss pst pt- pta ptb pto ptp pts ptt saa sab sao sap sas sat sba sbb sbo sbp sbs sbt soa sob soo sop sos sot spa spb spo spp sps spt ss- ssa ssb sso ssp sss sst sta stb sto stp sts stt taa tab tao tap tas tat tba tbb tbo tbp tbs tbt to- toa tob too top tos tot tpa tpb tpo tpp tps tpt tsa tsb tso tsp tss tst tta ttb tto ttp tts ttt

aaaa aaab aaap aaas aaba aabb aabp aabt aaoo aapa aapo aaps aapt aasa aass aast aata aatt abaa abab abap abas abat abb- abba abbb abbo abbs abbt aboa abob aboo abos abot abpa abpp abps abs- absa absp abss abta abts aoba aopo aosp aoss apao apap apas apat apba apbs apo- apoo apop apos apot appa apps appt apsa apso apss apta apts aptt asaa asab asao asap asas asat asba asbo asob 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 atob atop atos atot atsb atst atta atto attp atts baaa baas baat baba babb babo babs baos bapa bapp baps bapt basa baso bass bast bata bato bats batt bbas bbbb bbbs boab boas boat boba bobb bobo bobs boob boop boos boot bopa bopp bops bosa boso boss bost bota botb boto bots bott bpot bpsa bsaa bsap bsas bsat bsos bspp bsts btaa btbp btob btps btss bttb oaps oass oast oats obas obba obbo obos obot obss obst obts ooaa ooba oooo ooos oops oosa oost ootb ootp oots opap opo- opos oppa oppo opps opsa opto opts osap osas osat osba osbp osoo osos ossa ossb osso osta osts otap otas otbs oto- otoo otos otpp otsa otso otta otto otts paap paas paat paba pabt paos papa papb papp paps pasa paso pasp pass past pata pato pats patt pbpa pbsa pbsp poas poat poba pobo pobs poop poos poot pop- popa popo popp pops popt posa posb poso poss post pota poto pots pott ppap ppoa ppos pppa pppo pppp ppps ppss ppta ppts pptt psap psas psat psbt psoa psos pspp psps pssa psso psst psts ptab ptas ptop ptsa s-os saab saap saas saat saba sabb sabo sabs saos sapa sapo sapp saps sasa saso sass sast sata satb sato sats satt sbaa sbas sbbs sbot sbsa sbsp sbst soap soas soat soba sobo sobp sobs sobt soop soos soot sopa sopo sopp sops sosa soso soss sost sota soto sotp sots sp-a spap spas spat spoo spop spos spot spps spsa spso spsp spss spst spta sptb spto spts ssaa ssab ssao ssap ssas ssat ssop ssot sspa sspo ssps sspt sssa sssb ssss ssta sstb sstp ssts stab stap stas stat stbs stoa stob stoo stop stos stot stpp stps stss taa- taas taat taba tabb tabo tabs taoa taos tapa tapo tapp taps tapt tasa tasb tasp tass tast tata tatb tato tats tatt tbas tbbs tbsp tbst tbta tbtp toab toas toat toba tobo tobs tobt tooa toos toot top- topa topo topp tops topt tosa tosb toso toss tost tota toto tots tott tpap tppa tppp tpsa tptp tsaa tsao tsat tsob tsop tsos tspo tsps tspt tssa tsst tsts ttab ttbb ttop ttss tttt

-aaa- a-a-p aaaas aaasa aaass aaata aabaa aabba aabps abaab ababa ababs abapo abasa abass abbas abbat abbos abbot aboab aboat abobo aboot aboso abott abtaa abtao aoos aosta apapa apasa apass apast apata apatt apoop apopa apopo apopt apost appos appts apsat apsos aptos aptto asaba asasa asats asbos asosa asota aspas aspos aspot assab assas assat assoa assos assot assts astab astap astas astat astoo astop astos ataps atats atbat atoot atops atoss atoto attap attas atto- baaop baata babas babbs baboo babos babot bapat bapta basab baso- baspa bassa basso basta basto basts batab batas batat batob batoo batos batsa batta batto batts bo-bo boast boats bobos bobst bobts booat booba boobs boops boosa boost boota boots bosas bossa bosso bosta botas botos botta botts bpost bsaba bssap btops oasts obaba obata ooooo oopsa opata opobo oppas oppos opto- optot optto osato ososo ossos osstp ostap otasp otoba otoso ototo ottos paast pabas pabbo pabst paota papa- papas papat papop papos pappa pappo papps papst pasab pasos pass- passa passo pasta pasto pasts patas patos patta patto po-po poast poopo poops poost poots popat popop popos poppa poppo post- posta posto postp posts potap potoo potop potos potta potto potts pppoa psapp psata psats psbaa psoas psota pssst pssts s-bot saaba saabo saabs saasa sabas sabat saboo sabot sabsa sapas sapo- sapos sappa sassa sasso sat-b satao satat satos satta satto sbata so-so soaps soapt soata sobao sobat soopa soots sopas sopot soppo sopst sopto sosas soss- sosta sosto sot-a sotoa sotoo sotos sotta sotto sotts spass spata spats sposa sposo spots sppat ssats sssss staab staat stabo stabs stapp staps stat- stata stato stats stoap stoas stoat stobs stoob stoop stoos stoot stopa