a-ha aaaa aaae aaah aaea aaha aaoe aaoo aata aatt aeta aeto aett aetx ahah ahat ahet ahex ahha ahoa ahoe ahot ahta ahte ahto aoah at-t at-x ataa atae atat atax atea atee ateo atex atha athe atho atoe atot atta atte atto axat axo- axoa axto axxo eata eate eath eeea eeee eeta eete eeth eext ehaa ehea eheh ehte eota eoto etah etat etee eth- etha ethe etho etoe etoh etox etta ette etto exa- exh- exo- exta exte haat haet haha haho haht hata hate hath hato hatt haxe haxo heah heat heet hehe heho heta hete heth heto hett hex- hexa hexe hext hhaa hhat hhex hhhh hoat hoax hoha hohe hoho hooe hoot hoox hota hote hoth hoto hott hoxa htea htet htoh o-eo oahe oate oath oeax oeta ohee ohho ohoh ohta ohte ohto ooaa ooha ooho oooh oooo otea otee otha othe otho oto- otoe otoh otoo otta otte otto oxa- oxea oxo- oxox oxxo taa- taat taha tahe taho taoa tata tate tath tato tatt tax- taxa taxe taxo taxt teat teet teho teoh teta tete teth teto tett tetx texa text thaa thae thao that thax the- thea thee theo thet thex thoe thoo thot toat toea toee toeh toet toho tooa tooh toot tota tote toth toto tott tox- toxa toxo toxt tteo ttoe tttt txaa xate xexe xote xoth xoxo xtea xxxo xxxx