a-a a-i aaa aai aam aar aas aax ai- aia aii aim air ais aix ama ami amm amr ams amx ar- ara ari arm arr ars arx as- asa asi asm asr ass asx ax- axa axi axm axr axs axx ia- iaa iai iam iar ias iia iii iim iir iis iix im- ima imi imm ims imx ir- ira iri irm irr irs irx is- isa isi ism isr iss ixi m-r maa mai mam mar mas max mi- mia mii mim mir mis mix mma mmi mmm mmr mms mmx mra mri mrm mrr mrs mrx msa msi msm msr mss msx mxa mxi mxr mxs ra- raa rai ram rar ras rax ria rii rim rir ris rix rma rmi rmm rmr rms rmx rra rri rrm rrr rrs rsa rsi rsm rsr rss rsx rxr rxs saa sai sam sar sas sax sia sii sim sir sis six sma smi smm smr sms smx sr- sra sri srm srr srs srx ss- ssa ssi ssm ssr sss ssx sxi sxm sxs xaa xam xar xas xia xii xis xix xma xmi xmm xmr xms xmx xrx xsa xsi xsm xss xxi xxx