a-a a-b aaa aab aad aag aah aav ab- aba abb abd abg abh abv ad- ada adb add adg adh adv ag- aga agb agd agg agh agv aha ahb ahd ahg ahh ahv av- ava avb avd avg avh baa bab bad bag bah bav bba bbb bbd bbg bbh bda bdb bdd bdg bdh bdv bga bgb bgd bgg bgh bgv bha bhb bhd bhg bhh bhv bva bvb bvd bvg bvh bvv daa dab dad dag dah dav dba dbb dbd dbg dbh dbv dda ddb ddd ddg ddh dga dgd dgg dgh dh- dha dhb dhd dhh dva dvb dvd dvg dvh g-d gaa gab gad gag gah gav gba gbd gbg gbh gbv gda gdb gdd gdh gdv gga ggb ggd ggg ggh ggv gha ghb ghd ghg ghh gva gvb gvd gvg gvh haa hab had hag hah hav hba hbb hbd hbg hbh hbv hda hdb hdd hdg hdh hdv hga hgb hgg hgh hgv hha hhb hhd hhg hhh hhv hv- hva hvb hvd hvg hvv v-a vaa vab vad vag vah vav vba vbd vbg vbh vbv vdb vdd vdg vdh vdv vga vgg vgh vh- vha vhb vhd vva vvb vvg vvv