a-a a-z aaa aad aag aar aau aaz ad- ada add adg adr adu adz ag- aga agd agg agr agu agz ar- ara ard arg arr aru arz au- aua aud aug aur auz az- aza azd azg azu azz daa dad dag dar dau daz dda ddd ddg ddr ddu ddz dga dgd dgg dgr dgu dgz dra drd drg drr dru drz dua dud dug dur duz dza dzd dzr dzu g-d gaa gad gag gar gau gaz gda gdd gdr gdu gga ggd ggg ggr ggu ggz gra grd grg grr gru gu- gua gud gug gur guu guz gza gzr gzu ra- raa rad rag rar rau raz rda rdd rdg rdr rdu rga rgd rgg rgr rra rrd rrg rrr rru rua rud rug rur ruu ruz rza ua- uaa uad uag uar uau uaz uda udd udg udr udu uga ugg ugr ugu ur- ura urd urg urr uru urz uua uug uur uuu uza uzu z-g zaa zad zag zar zaz zgg zud zug zur zuz zzr zzz