-th a-a a-t aaa aae aah aao aat aax aea aee aeh aeo aet aex aha ahe ahh aho aht ahx aoa aoe aoh aoo aot aox at- ata ate ath ato att atx ax- axa axe axh axo axt axx eaa eae eah eao eat eax eea eee eeo eet eex eha ehe ehh eho eht eo- eoa eoe eoh eoo eot eta ete eth eto ett etx ex- exa exe exh exo ext exx haa hae hah hao hat hax he- hea hee heh heo het hex hha hhe hhh hho hht hoa hoe hoh hoo hot hox hta hte hth hto htt htx oaa oae oah oao oat oax oea oee oeh oeo oet oex oha ohe ohh oho oht oo- ooa ooh ooo oot oox ot- ota ote oth oto ott ox- oxa oxo oxt oxx t-x taa tae tah tao tat tax te- tea tee teh teo tet tex th- tha the thh tho tht thx to- toa toe toh too tot tox tta tte tth tto ttt ttx txe txt xaa xat xee xet xex xht xoa xoo xot xox xtx xxo xxx