a-a a-i aaa aad aag aai aax ad- ada add adg adi adx ag- aga agd agg agi agx ai- aia aid aig aii aix ax- axa axi axx daa dad dag dai dax dda ddd ddg ddi ddx dga dgd dgg dgi di- dia did dig dii dix dxd dxi dxx g-d gaa gad gag gai gda gdd gdi gdx gga ggd ggg ggi gia gid gig gii gxa i-d ia- iaa iad iag iai ida idd idg idi idx iga igd igg igi iia iid iii iix ixi xaa xad xag xda xdi xgi xia xii xix xxi xxx