a-a a-b a-t aaa aab aag aao aar aas aat aav aay ab- aba abb abg abo abr abs abt abv aby ag- aga agb agg ago agr ags agt agv agy aoa aob aog aoo aor aos aot aov ar- ara arb arg aro arr ars art arv ary as- asa asb asg aso asr ass ast asv asy at- ata atb atg ato atr ats att atv av- ava avb avg avo avr avs avt avy ay- aya ayo ayr ays ayt baa bab bag bao bar bas bat bav bay bba bbb bbg bbo bbr bbs bbt bby bga bgb bgg bgo bgr bgs bgt bgv boa bob bog boo bor bos bot bov boy bra brb brg bro brr brs brt brv bry bsa bsb bsg bso bsr bss bst bsv bsy bta btb btg bto btr bts btt btv bty bva bvb bvg bvo bvr bvs bvt bvv by- bya byg byo byr bys byt gaa gab gag gao gar gas gat gav gay gba gbg gbo gbr gbs gbt gbv gby gga ggb ggg ggo ggr ggs ggt ggv goa gob gog goo gor gos got gov goy gra grb grg gro grr grs grt grv gry gsa gsb gsg gso gsr gss gst gsv gta gtb gtg gto gtr gts gtt gtv gty gva gvb gvg gvo gvr gvs gvt gy- gya gyb gyo gyr gys oaa oab oag oao oar oas oat oav ob- oba obb obg obo obr obs obt obv oby oga ogg ogo ogs ogt ogy oo- ooa oob oog ooo oor oos oot oov or- ora orb org oro orr ors ort orv ory os- osa osb osg oso osr oss ost osv ot- ota otb otg oto otr ots ott otv ov- ova ovb ovo ovs ovv oya oyo oys ra- raa rab rag rao rar ras rat rav ray rba rbb rbg rbo rbr rbs rbt rga rgb rgg rgo rgr rgs rgt rgv roa rob rog roo ror ros rot rov roy rra rrb rrg rrr rrs rrt rsa rsb rsg rso rsr rss rst rsv rta rtb rtg rto rtr rts rtt rtv rty rva rvb rvg rvo rvr rvs rvt rvv rvy ry- rya ryg ryo ryr rys ryy saa sab sag sao sar sas sat sav say sba sbb sbg sbo sbr sbs sbt sbv sby sga sgb sgg sgo sgr sgs sgt sgv soa sob sog soo sor sos sot sov soy sr- sra srb srg sro srr srs srt srv sry ss- ssa ssb ssg sso ssr sss sst ssv sta stb stg sto str sts stt stv sty sva svb svg svo svr svs svt svv svy sy- sya syb syg syr sys syt taa tab tag tao tar tas tat tav tay tba tbb tbg tbo tbr tbs tbt tbv tga tgb tgg tgo tgr tgs tgt tgv tgy to- toa tob tog too tor tos tot tov toy tra trb trg tro trr trs trt trv try tsa tsb tsg tso tsr tss tst tsv tsy tta ttb ttg tto ttr tts ttt ttv tty tva tvb tvg tvo tvr tvs tvt tvy tya tyg tyo tyr tys tyt v-a vaa vab vag vao var vas vat vav vay vba vbg vbo vbr vbs vbv vga vgg vgo vgr vgs vgt voa vob vog voo vor vos vot vov voy vra vrb vrg vrr vrs vrt vry vsa vsb vsg vso vsr vss vst vsv vta vtb vtg vto vtr vts vtt vtv vty vva vvb vvg vvo vvr vvs vvt vvv vyg vyt yaa yab yag yao yar yas yat yav yay ybg ybr ybs yby yga ygo yob yog yoo yor yos yot yoy yra yrg yro yrs yrt ysa ysb ysg yso ysr yss yst ysy yta yto ytr yts ytt ytv yva yvo yvr yvy yyb yyg yys yyt yyy