a-a a-b a-t aaa aab aao aar aas aat aav ab- aba abb abo abr abs abt abv aoa aob aoo aor aos aot aov ar- ara arb aro arr ars art arv as- asa asb aso asr ass ast asv at- ata atb ato atr ats att atv av- ava avb avo avr avs avt baa bab bao bar bas bat bav bba bbb bbo bbr bbs bbt boa bob boo bor bos bot bov bra brb bro brr brs brt brv bsa bsb bso bsr bss bst bsv bta btb bto btr bts btt btv bva bvb bvo bvr bvs bvt bvv oaa oab oao oar oas oat oav ob- oba obb obo obr obs obt obv oo- ooa oob ooo oor oos oot oov or- ora orb oro orr ors ort orv os- osa osb oso osr oss ost osv ot- ota otb oto otr ots ott otv ov- ova ovb ovo ovs ovv ra- raa rab rao rar ras rat rav rba rbb rbo rbr rbs rbt roa rob roo ror ros rot rov rra rrb rrr rrs rrt rsa rsb rso rsr rss rst rsv rta rtb rto rtr rts rtt rtv rva rvb rvo rvr rvs rvt rvv saa sab sao sar sas sat sav sba sbb sbo sbr sbs sbt sbv soa sob soo sor sos sot sov sr- sra srb sro srr srs srt srv ss- ssa ssb sso ssr sss sst ssv sta stb sto str sts stt stv sva svb svo svr svs svt svv taa tab tao tar tas tat tav tba tbb tbo tbr tbs tbt tbv to- toa tob too tor tos tot tov tra trb tro trr trs trt trv tsa tsb tso tsr tss tst tsv tta ttb tto ttr tts ttt ttv tva tvb tvo tvr tvs tvt v-a vaa vab vao var vas vat vav vba vbo vbr vbs vbv voa vob voo vor vos vot vov vra vrb vrr vrs vrt vsa vsb vso vsr vss vst vsv vta vtb vto vtr vts vtt vtv vva vvb vvo vvr vvs vvt vvv

aaaa aaab aaar aaas aaav aaba aabb aabt aaoo aara aaro aars aart aasa aass aast aata aatt aava abaa abab abar abas abat abb- abba abbb abbo abbr abbs abbt aboa abob aboo abor abos abot abov abra abro abrs abs- absa abss abta abts abva aoba aora aorb aors aort aoss arab arar aras arat arba arbs aroa arob aroo aror aros arr- arra arro arrr arrs arrt ars- arsa arso arst arta arto artr arts artv arva arvo asaa asab asao asar asas asat asba asbo asob asor asos asot asra asro asrs assa asso assr asss asst asta astb asto astr asts astv asva asvs at-t ataa atab atar atas atat atbs atob ator atos atot atra atro atsb atst atta atto attr atts atvs avab avao avar avas avat avor avos avot avra avro avst avva avvo baaa baar baas baat baba babb babo babr babs baos bar- bara barb baro barr bars bart basa baso bass bast bata bato bats batt bava bbas bbbb bbbs boab boar boas boat boba bobb bobo bobs boob boor boos boot bor- bora boro borr bors bort bosa boso boss bost bota botb boto bots bott bova bovo brab brao bras brat brav broa brob broo bror bros brot brrr brrs brsb brsr brst bsaa bsas bsat bsos bsra bsts bstv btaa btob btor btrt btss bttb oara oars oass oast oats oavs obas obba obbo obor obos obot obra obro obsr obss obst obts obvs ooaa ooba oooo ooos oora oort oosa oost ootb oots orab orao orar oras orat orav orba orbb orbo orbs oro- oror oros orot orra orro orrs orsa orso orta orto orts orvr orvs osar osas osat osba osoo osor osos osov osro ossa ossb osso osta ostr osts otar otas otbs oto- otoo otor otos otov otra otro otrs otsa otso otta otto otts ovar ovo- ovoo ovot ovra raab raas raat raba rabb rabo rabs raob raos rara rarb raro rars rasa raso rass rast rata rato rats ratt rava rbbb rbbr rbbs rbss rbst roab roar roas roat rob- roba robb robo robs robt roob roor roos root rora roro rort rosa roso ross rost rota roto rotr rots rott rova rovo rovs rras rrat rrrr rsaa rsos rssa rsts rtas rtss rtts rtva s-os s-vt saab saar saas saat saba sabb sabo sabr sabs saor saos sara saro sarr sars sart sarv sasa saso sass sast sata satb sato satr sats satt sava savo savs sbaa sbar sbas sbbs sbor sbot sbsa sbst soar soas soat soba sobo sobr sobs sobt soor soos soot sora sorb soro sorr sors sort sosa soso soss sost sosv sota soto sots sova sovo sovs sras sros srta srtr srtv ssaa ssab ssao ssas ssat ssbr ssot ssra ssrs sssa sssb ssss ssta sstb ssts st-v stab star stas stat stbs stoa stob stoo stor stos stot stra stro strs stss sttr stvs svar svor svtr taa- taar taas taat taba tabb tabo tabs taoa taor taos tara tarb taro tarr tars tart tasa tasb tasr tass tast tata tatb tato tatr tats tatt tatv tava tavo tavs tbar tbas tbbs tbrb tbst tbta toab toas toat toba tobo tobs tobt tooa toor toos toot tora toro torr tors tort torv tosa tosb toso toss tost tota toto totr tots tott tova tovo traa trab trao tras trat trav troa troo tros trot trra trst trtr trvs tsaa tsao tsar tsat tsav tsob tsos tssa tssr tsst tsts ttab ttbb ttss tttt tvbs tvos tvro tvrr tvsa tvss tvtv vaar vaas vaat vabs vara varr vars vart vas- vasa vaso vass vast vata vato vats vatt vava vavs voar voat voor voot vor- vora voro vors vort vosa voso voss vota voto vras vrav vrba vrot vrsa vrto vsta vsto vtrs vvob vvsb vvvv

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