a-a a-t aaa aae aam aao aat aax aea aee aem aeo aet aex ama ame amm amo amt amx aoa aoe aom aoo aot aox at- ata ate atm ato att atx ax- axa axe axm axo axt axx eaa eae eam eao eat eax eea eee eem eeo eet eex em- ema eme emm emo emt emx eo- eoa eoe eom eoo eot eta ete etm eto ett etx ex- exa exe exo ext exx m-o maa mae mam mao mat max mea mee mem meo met mex mma mme mmm mmo mmt mmx moa moe mom moo mot mox mta mte mtm mto mtt mtx mxa oaa oae oam oao oat oax oea oee oem oeo oet oex om- oma ome omm omo omt omx oo- ooa oom ooo oot oox ot- ota ote otm oto ott ox- oxa oxo oxt oxx t-x taa tae tam tao tat tax te- tea tee tem teo tet tex tma tme tmm tmo tmt tmx to- toa toe tom too tot tox tta tte ttm tto ttt ttx txe txt xaa xam xat xee xem xet xex xma xmm xmo xmt xmx xoa xom xoo xot xox xtm xtx xxo xxx