a-be a-ha aaaa aaab aaae aaah aaav aaba aabb aabh aabt aaea aaev aaha aata aatt aava abaa abab abae abat abb- abba abbb abbe abbt abee abet abha abta abva aeta aett aeva ahab ahah ahat ahet ahha ahta ahte ahva at-t ataa atab atae atat atea atee atha athe atta atte avab avat avea aveh avva baaa baah baat baba babb babe baha baht bata bate bath batt bava bave bbbb bbeb bbet beah beat beav beba bebb bebe beeb beet beta bete beth bett betv bhat bhet btaa bttb eaba eabh eata eate eath eave ebba eeea eeee eeta eete eeth eeva ehaa ehav ehea eheh ehte etah etat etee eth- etha ethe etta ette evae evah evat evea evet haab haat haba habe habt haet haha haht hata hatb hate hath hatt hava have heah heat hebb hebe heeb heet hehe heta hete heth hett heve hevt hhaa hhat hhhh htab htea htet hvat taa- taat taba tabb tabe taha tahe tata tatb tate tath tatt tatv tava tave tbta teat teba teet teev teta tete teth tett teva thaa thae that the- thea theb thee thet thtb ttab ttbb tttt tvhb tvtv vaat vahe vata vate vath vatt vava veat veba veet veht veta vete veth veve vhhh vvvv