a-a aaa aak aam aar aas aax aka akk akm akr aks ama amk amm amr ams amx ar- ara ark arm arr ars arx as- asa ask asm asr ass asx ax- axa axk axm axr axs axx ka- kaa kak kam kar kas kax kkk kkm kkr kks kma kmk kmm kms kra krk krr krs ksa ksk ksm ksr kss kxm m-r maa mak mam mar mas max mka mkk mkm mkr mks mkx mma mmk mmm mmr mms mmx mra mrk mrm mrr mrs mrx msa msk msm msr mss msx mxa mxr mxs ra- raa rak ram rar ras rax rkk rkm rks rma rmm rmr rms rmx rra rrk rrm rrr rrs rsa rsk rsm rsr rss rsx rxr rxs saa sak sam sar sas sax sk- ska skk skm skr sks skx sma smk smm smr sms smx sr- sra srk srm srr srs srx ss- ssa ssk ssm ssr sss ssx sxm sxs xaa xak xam xar xas xks xma xmk xmm xmr xms xmx xrx xsa xsm xss xxx