a-be a-ha aaaa aaab aaad aaae aaaf aaah aaba aabb aabd aabh aabt aada aade aadt aaea aafa aafb aafd aaff aaha aata aatf aatt abaa abab abad abae abaf abat abb- abba abbb abbe abbt abda abed abee abet abff abha abta adaa adab adad adae adah adat adba adda addd adde adea adeb adee adeh adet adfa adha adhd adta aeaf aede aedt aeta aetf aett afaa afad afat afdb afee afet affa afft afta afte ahab ahad ahah ahat ahed ahet ahfa ahha ahta ahte at-t ataa atab atad atae atat atdt atea ated atee atef atfb atfe atha athe atta atte baaa baad baaf baah baat baba babb babe bada badb badd bade badh baed baff baft baha baht bata bate batf bath batt bbad bbbb bbdd bbeb bbet bddh bead beaf beah beat beba bebb bebe beda bede beeb beed beef beet befa befe beff beft beta bete beth bett bfta bftt bhat bhet bhff btaa btaf btdt bttb daab daad daae daba dabb dabt dada dade daeb dafa dafe daff daft daha dahe data date datt dbtt dddd dead deae deaf deba debe debt deda dedd dede deeb deed deef deet defe deff deft deha deta dete deth dfaf dfdt dffa dhaa dhad dhat dhed dhee dtaa dted dthd eaaf eaba eabh eada eadb eadd eafb eata eate eath ebba ebed edad edah edda edde ede- edea edeh edfa edta eede eeea eeee eefa eefe eeta eete eeth efab efda efet effa eft- efta ehaa ehdd ehea eheh ehte etah etat etee etfa etfb etfe eth- etha ethe etta ette faaa faad faah faba fabd fabe fada fadd fade faeb fafa fafe faff faha fahd fata fate fatf fath fatt fead feaf feat feba feda fede feeb feed feet fefe feff fehd feta fete feth fett ffee ffff fftf ftea haab haad haaf haat haba habe habt hada hade hadf hadh haed haet hafb hafd hafe haff haft haha haht hata hatb hate hath hatt hdda hdtt head heaf heah heat hebb hebe heda hedd hede heeb heed heef heet hefd hefe heft hehe heta hete heth hett hfba hhaa hhat hhhh htab htea htet taa- taaf taat taba tabb tabe tada tade tafa tafe taff taft taha tahe tata tatb tate tath tatt tbaf tbta tddb tdff tead teat teba teda tedd tede teed teef teet teff teft teta tete teth tett tfae tfeb thaa thad thae that the- thea theb thed thee thef thet thtb ttab ttbb ttfa ttff tttt