a-a a-b a-t aaa aab aao aas aat aau aav ab- aba abb abo abs abt abu abv aoa aob aoo aos aot aou aov as- asa asb aso ass ast asu asv at- ata atb ato ats att atu atv au- aua aub auo aus aut auv av- ava avb avo avs avt avu b-u baa bab bao bas bat bau bav bba bbb bbo bbs bbt bbu boa bob boo bos bot bou bov bsa bsb bso bss bst bsu bsv bta btb bto bts btt btu btv bua bub buo bus but buu bva bvb bvo bvs bvt bvu bvv oaa oab oao oas oat oau oav ob- oba obb obo obs obt obu obv oo- ooa oob ooo oos oot oov os- osa osb oso oss ost osu osv ot- ota otb oto ots ott otu otv ou- oua ouo ous out ov- ova ovb ovo ovs ovv saa sab sao sas sat sau sav sba sbb sbo sbs sbt sbu sbv soa sob soo sos sot sou sov ss- ssa ssb sso sss sst ssu ssv sta stb sto sts stt stu stv sua sub suo sus sut suu suv sva svb svo svs svt svu svv taa tab tao tas tat tau tav tba tbb tbo tbs tbt tbu tbv to- toa tob too tos tot tou tov tsa tsb tso tss tst tsu tsv tta ttb tto tts ttt ttu ttv tua tub tuo tus tut tuu tuv tva tvb tvo tvs tvt tvu ua- uaa uab uao uas uat uau uav uba ubb ubo ubs ubt ubu ubv uoa uob uoo uos uot usa usb uso uss ust usu usv uta utb uto uts utt utu utv uua uus uut uuu uva uvb uvo uvs uvu uvv v-a vaa vab vao vas vat vau vav vba vbo vbs vbv voa vob voo vos vot vou vov vsa vsb vso vss vst vsu vsv vta vtb vto vts vtt vtu vtv vus vut vuv vva vvb vvo vvs vvt vvv

-ous aaaa aaab aaas aaav aaba aabb aabt aaoo aasa aass aast aasu aata aatt aaus aava abaa abab abas abat abau abb- abba abbb abbo abbs abbt aboa abob aboo abos abot abou abov abs- absa abss absu abta abts abtu abua abus abut abva aoba aoss aous aout asaa asab asao asas asat asau asba asbo asbu asob asos asot asou assa asso asss asst assu asta astb asto asts astv asub asus asva asvs at-t ataa atab atas atat atbs atob atos atot atsb atst atta atto atts attu atua atub atus atvs auaa ausa aust ausu aut- auto auts auvs avab avao avas avat avos avot avou avst avus avva avvo baaa baas baat baba babb babo babs babu baos basa baso bass bast basu bata bato bats batt batu bau- bava bavu bbas bbau bbbb bbbs boab boas boat boba bobb bobo bobs bobu boob boos boot bosa boso boss bost bosu bota botb boto bots bott boua bous bout bova bovo bsaa bsas bsat bsos bsts bstv btaa btob btss bttb btus buat buba bubb bubo bubs bubu busa buss bust busu but- buta buto buts butt buus oaau oass oast oats oavs obas obba obbo obos obot obss obst obts obus obvs ooaa ooba oooo ooos oosa oost ootb oots oous osas osat osba osoo osos osov ossa ossb osso ossu osta osts otas otbs oto- otoo otos otov otsa otso otsu otta otto otts ottu otus ouat oubs ousa oust out- outa outb outo outs ouu- ovo- ovoo ovot s-os s-vt saab saas saat saba sabb sabo sabs sabu saos saou sasa saso sass sast sata satb sato sats satt satu saua saus saut sava savo savs savu sbaa sbas sbbs sbot sbsa sbst sbus soas soat soba sobo sobs sobt sobu soos soot sosa soso soss sost sosv sota soto sots sotu sous sout sova sovo sovs sovu ssaa ssab ssao ssas ssat ssau ssot sssa sssb ssss ssta sstb ssts st-v stab stas stat stau stbs stoa stob stoo stos stot stou stss stub stus stut stuv stvs suas suat sub- suba subb subo subs suos sus- susa suso suss sust susu suta suto sutu suus suva suvs taa- taas taat taba tabb tabo tabs tabu taoa taos taou tasa tasb tass tast tasu tata tatb tato tats tatt tatu tatv taua taub taus taut tava tavo tavs tbas tbbs tbst tbta toab toas toat toau toba tobo tobs tobt tobu tooa toos toot tosa tosb toso toss tost tosu tota toto tots tott tous tout touv tova tovo tsaa tsao tsat tsau tsav tsob tsos tsou tssa tsst tsts ttab ttbb ttss tttt tuao tuas tuat tuba tubb tubo tubs tubu tuos tusa tuss tust tuta tuto tuts tutt tutu tuuo tuva tvbs tvos tvsa tvss tvtv uasa uata uatu uatv uaua uavs ubba ubbo ubos uovo us-a usaa usas usat usba usbs usos usov ussa ussb usss usst ussu usta ustb usto usts usua usus utas utau utsa utto uttu uuta uuuu uv-a uv-b uvaa uvas uvat uvvu vaas vaat vabs vas- vasa vaso vass vast vasu vata vato vats vatt vatu vaus vaut vava vavs voat voot vosa voso voss vosu vota voto vous vout vsta vsto vutv vvob vvsb vvvv

-aaa- a-vsb aaaas aaasa aaass aaata aabaa aabba abaab ababa ababs ababu abasa abass abava abbas abbat abbos abbot abbou aboab aboat abobo aboot aboso abott abous about abovo absut abtaa abtao abust abuta abuts abutt aoos aosta aotus aotuv asaba asasa asats asaut asava asbos asosa asota assab assas assat assoa assos assot assts astab astas astat astoo astos asubs asvab atabu atasu atats atbat atoot atoss atoto atout atsuo attas atto- attus atusa auass aubas aussa austa auto- autos avast avato avous avouu avsa baata baava babas babau babbs baboo babos babot babou babus babut basab baso- basov bassa basso bassu basta basto basts bastu basuo basut batab batas batat batau batob batoo batos batou batov batsa