a-a a-b aaa aab aad aag aaj aao ab- aba abb abd abg abj abo ad- ada adb add adg adj ado ag- aga agb agd agg agj ago aja ajb ajd ajj ajo aoa aob aod aog aoj aoo baa bab bad bag baj bao bba bbb bbd bbg bbo bda bdb bdd bdg bdj bdo bga bgb bgd bgg bgo bja bjd bjg bjj boa bob bod bog boj boo daa dab dad dag daj dao dba dbb dbd dbg dbo dda ddb ddd ddg ddo dga dgd dgg dj- dja djb djd djg djo doa dob dod dog doj doo g-d gaa gab gad gag gaj gao gba gbd gbg gbj gbo gda gdb gdd gdo gga ggb ggd ggg ggj ggo gja gjg goa gob god gog goo j-d jaa jab jad jag jaj jao jba jbg jbj jbo jda jdb jdg jdo jga jgb jgo jja jjb jjg jjj joa job jod jog joj joo oaa oab oad oag oaj oao ob- oba obb obd obg obj obo oda odb odd odg odo oga ogd ogg ogo oja ojb ojd ojo oo- ooa oob ood oog ooo