a-a a-b a-t aaa aab aaj aao aar aas aat ab- aba abb abj abo abr abs abt aja ajb ajj ajo ajr ajs ajt aoa aob aoj aoo aor aos aot ar- ara arb arj aro arr ars art as- asa asb asj aso asr ass ast at- ata atb ato atr ats att baa bab baj bao bar bas bat bba bbb bbo bbr bbs bbt bja bjj bjr bjs bjt boa bob boj boo bor bos bot bra brb brj bro brr brs brt bsa bsb bsj bso bsr bss bst bta btb bto btr bts btt jaa jab jaj jao jar jas jat jba jbj jbo jbr jbs jbt jja jjb jjj jjr jjs joa job joj joo jor jos jot jra jrb jro jrr jrs jrt jsa jsb jsj jso jsr jss jst jta jtb jtr jts jtt oaa oab oaj oao oar oas oat ob- oba obb obj obo obr obs obt oja ojb ojo ojs oo- ooa oob ooo oor oos oot or- ora orb oro orr ors ort os- osa osb osj oso osr oss ost ot- ota otb oto otr ots ott ra- raa rab raj rao rar ras rat rba rbb rbo rbr rbs rbt rja rjr roa rob roj roo ror ros rot rra rrb rrr rrs rrt rsa rsb rsj rso rsr rss rst rta rtb rtj rto rtr rts rtt saa sab saj sao sar sas sat sba sbb sbj sbo sbr sbs sbt sja sjb sjj sjr sjs sjt soa sob soj soo sor sos sot sr- sra srb srj sro srr srs srt ss- ssa ssb ssj sso ssr sss sst sta stb stj sto str sts stt taa tab taj tao tar tas tat tba tbb tbj tbo tbr tbs tbt tjo tjr tjs to- toa tob toj too tor tos tot tra trb tro trr trs trt tsa tsb tsj tso tsr tss tst tta ttb tto ttr tts ttt

aaaa aaab aaar aaas aaba aabb aabt aaoo aara aaro aars aart aasa aass aast aata aatt abaa abab abaj abar abas abat abb- abba abbb abbo abbr abbs abbt abjs aboa abob aboo abor abos abot abra abro abrs abs- absa abss abta abts ajab ajao ajar ajas ajat ajba ajob ajoo ajot ajss aoba aora aorb aors aort aoss arab arar aras arat arba arbs arja arjo aroa arob aroo aror aros arr- arra arro arrr arrs arrt ars- arsa arso arst arta arto artr arts asaa asab asao asar asas asat asba asbo asja asob asor asos asot asra asro asrs assa asso assr asss asst asta astb asto astr asts at-t ataa atab atar atas atat atbs atob ator atos atot atra atro atsb atst atta atto attr atts baaa baar baas baat baba babb babo babr babs baja bajs baos bar- bara barb baro barr bars bart basa baso bass bast bata bato bats batt bbas bbbb bbbs bjoa boab boar boas boat boba bobb bobo bobs bojo bojt boob boor boos boot bor- bora borj boro borr bors bort bosa boso boss bost bota botb boto bots bott brab braj brao bras brat broa brob broo bror bros brot brrr brrs brsb brsr brst bsaa bsas bsat bsos bsra bsts btaa btob btor btrt btss bttb j-ro jaar jaas jaba jabo jabr jabs jaja jara jaro jarr jars jart jasa jaso jass jast jato jats jbaa jbar jbob jjar joab joao joar joba jobo jobs jojo joor joos joot jora joro jort josa joso joss jost jota joto jots jott jrbr jsat jssr jsss jtar jtsb oara oars oass oast oats obas obba obbo obja obor obos obot obra obro obsr obss obst obts ojas ojos ooaa ooba oooo ooos oora oort oosa oost ootb oots orab orao orar oras orat orba orbb orbo orbs oro- oror oros orot orra orro orrs orsa orso orta orto orts osar osas osat osba osoo osor osos osro ossa ossb osso osta ostr osts otar otas otbs oto- otoo otor otos otra otro otrs otsa otso otta otto otts raab raaj raas raat raba rabb rabo rabs raja rajo rajs raob raos rara rarb raro rars rasa raso rass rast rata rato rats ratt rbbb rbbr rbbs rbss rbst roab roar roas roat rob- roba robb robo robs robt roja rojo rojs roob roor roos root rora roro rort rosa roso ross rost rota rotj roto rotr rots rott rras rrat rrrr rsaa rsaj rsos rssa rsts rtas rtss rtts s-os saab saaj saar saas saat saba sabb sabo sabr sabs saja saor saos sara saro sarr sars sart sasa saso sass sast sata satb sato satr sats satt sbaa sbar sbas sbbs sbor sbot sbsa sbst sjab sjoa sjrt soar soas soat soba sobo sobr sobs sobt soja soor soos soot sora sorb soro sorr sors sort sosa soso soss sost sota soto sots sras sros srta srtr ssaa ssab ssao ssas ssat ssbr ssot ssra ssrs sssa sssb ssss ssta sstb ssts stab staj star stas stat stbs stoa stob stoo stor stos stot stra stro strs stss sttr taa- taar taas taat taba tabb tabo tabs tajo taoa taor taos tara tarb taro tarr tars tart tasa tasb tasr tass tast tata tatb tato tatr tats tatt tbar tbas tbbs tbrb tbst tbta tjsj toab toas toat toba tobo tobs tobt toja tojo tooa toor toos toot tora toro torr tors tort tosa tosb toso toss tost tota toto totr tots tott traa trab trao tras trat troa troo tros trot trra trst trtr tsaa tsao tsar tsat tsob tsos tssa tssr tsst tsts ttab ttbb ttss tttt

-aaa- aaaas aaasa aaass aaata aabaa aabba aabra aarts aasra aatsr abaab ababa ababs abaja abajo abara abasa abass abbaj abbar abbas abbat abbos abbot abbrs abjar aboab aboat abobo aboot abora abort aboso abott abrar abras absar abstr abtaa abtao abtar ajaja ajara ajars ajoba aoos aort- aorta aosta ar-ab araat arab- araba arabo arabs arajs arara arars