a-a a-i aaa aai aam aas aax ai- aia aii aim ais aix ama ami amm ams amx as- asa asi asm ass asx ax- axa axi axm axs axx ia- iaa iai iam ias iia iii iim iis iix im- ima imi imm ims imx is- isa isi ism iss ixi maa mai mam mas max mi- mia mii mim mis mix mma mmi mmm mms mmx msa msi msm mss msx mxa mxi mxs saa sai sam sas sax sia sii sim sis six sma smi smm sms smx ss- ssa ssi ssm sss ssx sxi sxm sxs xaa xam xas xia xii xis xix xma xmi xmm xms xmx xsa xsi xsm xss xxi xxx