a-a a-b aaa aab aad aao aar aas aaw aay ab- aba abb abd abo abr abs abw aby ad- ada adb add ado adr ads adw ady aoa aob aod aoo aor aos aow ar- ara arb ard aro arr ars arw ary as- asa asb asd aso asr ass asw asy aw- awa awb awd awo awr aws aww awy ay- aya ayd ayo ayr ays ayw baa bab bad bao bar bas baw bay bba bbb bbd bbo bbr bbs bbw bby bda bdb bdd bdo bdr bds bdw bdy boa bob bod boo bor bos bow boy bra brb brd bro brr brs brw bry bsa bsb bsd bso bsr bss bsw bsy bwa bwb bwd bwo bwr bws bwy by- bya byd byo byr bys daa dab dad dao dar das daw day dba dbb dbd dbo dbr dbs dby dda ddb ddd ddo ddr dds ddw ddy doa dob dod doo dor dos dow doy dra drb drd dro drr drs drw dry dsa dsb dsd dso dsr dss dsw dsy dwa dwb dwo dwr dws dww dy- dya dyb dyd dyo dyr dys dyw dyy oaa oab oad oao oar oas oaw ob- oba obb obd obo obr obs obw oby oda odb odd odo odr ods oo- ooa oob ood ooo oor oos oow or- ora orb ord oro orr ors ory os- osa osb osd oso osr oss osw owa owb owd owo ows oww oya oyd oyo oys ra- raa rab rad rao rar ras raw ray rba rbb rbd rbo rbr rbs rbw rda rdb rdd rdo rdr rds rdy roa rob rod roo ror ros row roy rra rrb rrd rrr rrs rsa rsb rsd rso rsr rss rsw rwa rwb rwd rwr rws rwy ry- rya ryd ryo ryr rys ryy saa sab sad sao sar sas saw say sba sbb sbd sbo sbr sbs sbw sby sda sdb sdd sdo sdr sds sdw sdy soa sob sod soo sor sos sow soy sr- sra srb srd sro srr srs srw sry ss- ssa ssb ssd sso ssr sss ssw swa swb swd swo swr sws swy sy- sya syb syd syr sys waa wab wad wao war was waw way wba wbb wbd wbo wbr wbs wbw wda wdb wdr wds wdy woa wob wod woo wor wos wow woy wr- wra wrd wro wrr wrs wrw wry wsa wsb wsd wso wsr wss wsw wwa wwd wwo www wy- wya wyd wyo wyr wys yaa yab yad yao yar yas yaw yay ybr ybs yby yda ydo yds ydy yob yod yoo yor yos yow yoy yra yro yrs ysa ysb yso ysr yss ysy yyb yys yyy