a-a a-b a-t aaa aab aao aar aas aat aay ab- aba abb abo abr abs abt aby aoa aob aoo aor aos aot ar- ara arb aro arr ars art ary as- asa asb aso asr ass ast asy at- ata atb ato atr ats att ay- aya ayo ayr ays ayt baa bab bao bar bas bat bay bba bbb bbo bbr bbs bbt bby boa bob boo bor bos bot boy bra brb bro brr brs brt bry bsa bsb bso bsr bss bst bsy bta btb bto btr bts btt bty by- bya byo byr bys byt oaa oab oao oar oas oat ob- oba obb obo obr obs obt oby oo- ooa oob ooo oor oos oot or- ora orb oro orr ors ort ory os- osa osb oso osr oss ost ot- ota otb oto otr ots ott oya oyo oys ra- raa rab rao rar ras rat ray rba rbb rbo rbr rbs rbt roa rob roo ror ros rot roy rra rrb rrr rrs rrt rsa rsb rso rsr rss rst rta rtb rto rtr rts rtt rty ry- rya ryo ryr rys ryy saa sab sao sar sas sat say sba sbb sbo sbr sbs sbt sby soa sob soo sor sos sot soy sr- sra srb sro srr srs srt sry ss- ssa ssb sso ssr sss sst sta stb sto str sts stt sty sy- sya syb syr sys syt taa tab tao tar tas tat tay tba tbb tbo tbr tbs tbt to- toa tob too tor tos tot toy tra trb tro trr trs trt try tsa tsb tso tsr tss tst tsy tta ttb tto ttr tts ttt tty tya tyo tyr tys tyt yaa yab yao yar yas yat yay ybr ybs yby yob yoo yor yos yot yoy yra yro yrs yrt ysa ysb yso ysr yss yst ysy yta yto ytr yts ytt yyb yys yyt yyy

a-ya a-yo aaaa aaab aaar aaas aaba aabb aabt aaby aaoo aara aaro aars aart aasa aass aast aata aatt abaa abab abar abas abat abay abb- abba abbb abbo abbr abbs abbt abby aboa abob aboo abor abos abot aboy abra abro abrs abry abs- absa abss abta abts abys abyt abyy aoba aora aorb aors aort aoss arab arar aras arat aray arba arbs arby aroa arob aroo aror aros arr- arra arro arrr arrs arrt arry ars- arsa arso arst arsy arta arto artr arts arty ary- arya arys asaa asab asao asar asas asat asay asba asbo asby asob asor asos asot asra asro asrs assa asso assr asss asst assy asta astb asto astr asts asty asya at-t ataa atab atar atas atat atay atbs atob ator atos atot atoy atra atro atry atsb atst atta atto attr atts atty atya atys ay-o ayao ayar ayas ayat ayay ayoo ayos ayot ayra ayry ayta ayto ayya baaa baar baas baat baba babb babo babr babs baby baos bar- bara barb baro barr bars bart bary basa baso bass bast bata bato bats batt baty baya bayo bays bayt bbas bbay bbbb bbbs bboy bbyo boab boar boas boat boba bobb bobo bobs boby boob boor boos boot bor- bora boro borr bors bort bory bosa boso boss bost bota botb boto bots bott boty boya boyo boys brab brao bras brat bray broa brob broo bror bros brot brrr brrs brsb brsr brst bry- brya bryo bsaa bsas bsat bsos bsra bsts btaa btob btor btrt btry btss bttb byar byas byoa byob byos byrt bysb byso byss byst bysy byts oara oars oary oass oast oasy oats oaty obas obay obba obbo obby obor obos obot oboy obra obro obsr obss obst obts ooaa ooba ooby oooo ooos oora oort oory oosa oost ootb oots ooty orab orao orar oras orat oray orba orbb orbo orbs orby oro- oror oros orot oroy orra orro orrs orry orsa orso orsy orta orto orts orya orys osar osas osat osay osba osby osoo osor osos osro ossa ossb osso ossy osta ostr osts osyt otar otas otay otbs oto- otoo otor otos otoy otra otro otrs otry otsa otso otta otto otts otyr oyas oyss oyst raab raas raat raba rabb rabo rabs raby raob raos rara rarb raro rars rary rasa raso rass rast rasy rata rato rats ratt raty raya rayr rays rayt rbbb rbbr rbbs rbss rbst roab roar roas roat rob- roba robb robo robs robt roby roob roor roos root rora roro rort rory rosa roso ross rost rosy rota roto rotr rots rott roty roya roys royt rras rrat rrrr rsaa rsos rssa rsts rtas rtss rtts ryas ryat ryba ryob ryot rysy rytt ryyt s-os saab saar saas saat saba sabb sabo sabr sabs saor saos sara saro sarr sars sart sary sasa saso sass sast sata satb sato satr sats satt saya sayo sayr says sbaa sbar sbas sbbs sbor sbot sbsa sbst soar soas soat soay soba sobo sobr sobs sobt soor soos soot sooy sora sorb soro sorr sors sort sory sosa soso soss sost sota soto sots soya soyo soys soyt sras srby sros srta srtr ssaa ssab ssao ssas ssat ssbr ssby ssot ssra ssrs sssa sssb ssss ssta sstb ssts stab star stas stat stay stbs stoa stob stoo stor stos stot stoy stra stro strs stry stss sttr styr stys syar sybo syra syro syrs syrt syry syso syss syst sytt taa- taar taas taat taba tabb tabo tabs taby taoa taor taos tara tarb taro tarr tars tart tary tasa tasb tasr tass tast tasy tata tatb tato tatr tats tatt taty taya tayo tays tayt tayy tbar tbas tbbs tbrb tbst tbta to-y toab toas toat toay toba tobo tobs tobt toby tooa toor toos toot tora toro torr tors tort tory tosa tosb toso toss tost tosy tota toto totr tots tott toty toya toyb toyo toys toyt traa trab trao tras trat tray troa