a-a a-b aaa aab aad aag aah aao aar aay ab- aba abb abd abg abh abo abr aby ad- ada adb add adg adh ado adr ady ag- aga agb agd agg agh ago agr agy aha ahb ahd ahg ahh aho ahr ahy aoa aob aod aog aoh aoo aor ar- ara arb ard arg arh aro arr ary ay- aya ayd ayh ayo ayr baa bab bad bag bah bao bar bay bba bbb bbd bbg bbh bbo bbr bby bda bdb bdd bdg bdh bdo bdr bdy bga bgb bgd bgg bgh bgo bgr bha bhb bhd bhg bhh bho bhr boa bob bod bog boh boo bor boy bra brb brd brg brh bro brr bry by- bya byd byg byh byo byr daa dab dad dag dah dao dar day dba dbb dbd dbg dbh dbo dbr dby dda ddb ddd ddg ddh ddo ddr ddy dga dgd dgg dgh dgr dh- dha dhb dhd dhh dho dhr doa dob dod dog doh doo dor doy dra drb drd drg dro drr dry dy- dya dyb dyd dyo dyr dyy g-d gaa gab gad gag gah gao gar gay gba gbd gbg gbh gbo gbr gby gda gdb gdd gdh gdo gdr gga ggb ggd ggg ggh ggo ggr gha ghb ghd ghg ghh gho ghr goa gob god gog goh goo gor goy gra grb grd grg grh gro grr gry gy- gya gyb gyd gyo gyr haa hab had hag hah hao har hay hba hbb hbd hbg hbh hbo hbr hby hda hdb hdd hdg hdh hdo hdr hdy hga hgb hgg hgh hgo hgr hgy hha hhb hhd hhg hhh hho hhr hhy hoa hob hod hog hoh hoo hor hoy hr- hra hrb hrd hrg hrh hro hrr hy- hya hyb hyd hyg hyh hyo hyr hyy oaa oab oad oag oah oao oar ob- oba obb obd obg obh obo obr oby oda odb odd odg odh odo odr oga ogd ogg ogh ogo ogy oha ohd ohg ohh oho ohr oo- ooa oob ood oog ooh ooo oor or- ora orb ord org orh oro orr ory oya oyd oyo ra- raa rab rad rag rah rao rar ray rba rbb rbd rbg rbh rbo rbr rda rdb rdd rdg rdh rdo rdr rdy rga rgb rgd rgg rgh rgo rgr rh- rha rhb rhd rhg rhh rho rhr roa rob rod rog roh roo ror roy rra rrb rrd rrg rrh rrr ry- rya ryd ryg ryo ryr ryy yaa yab yad yag yah yao yar yay ybg ybr yby yda ydg ydo ydy yga ygo yha yob yod yog yoo yor yoy yra yrg yro yyb yyg yyy