a-a a-t aaa aad aae aam aat aax ad- ada add ade adm adt adx aea aed aee aem aet aex ama amd ame amm amt amx at- ata atd ate atm att atx ax- axa axe axm axt axx daa dad dae dam dat dax dda ddd dde ddm ddt ddx de- dea ded dee dem det dex dma dmd dme dmm dmt dmx dta dtd dte dtm dtt dtx dxd dxt dxx eaa ead eae eam eat eax ed- eda edd ede edm edt edx eea eed eee eem eet eex em- ema emd eme emm emt emx eta etd ete etm ett etx ex- exa exd exe ext exx maa mad mae mam mat max mda mdd mde mdm mdt mdx mea med mee mem met mex mma mmd mme mmm mmt mmx mta mtd mte mtm mtt mtx mxa mxd t-x taa tad tae tam tat tax tda tdd tde tdm tdt tdx te- tea ted tee tem tet tex tma tmd tme tmm tmt tmx tta ttd tte ttm ttt ttx txe txt xaa xad xam xat xda xde xdm xdt xed xee xem xet xex xma xmd xmm xmt xmx xtm xtx xxx