a-a a-i aaa aai aam aax aay ai- aia aii aim aix aiy ama ami amm amx amy ax- axa axi axm axx ay- aya ayi ayx ia- iaa iai iam iia iii iim iix im- ima imi imm imx imy ixi ixy iya iym iyy maa mai mam max may mi- mia mii mim mix miy mma mmi mmm mmx mxa mxi my- mya mym myx xaa xam xia xii xix xma xmi xmm xmx xxi xxx xxy xyy yaa yai yam yax yay yii yim yma ymi ymm yxa yxy yyy