a-be a-ii aaaa aaab aaad aaae aaai aaba aabb aabd aabi aabt aada aade aadi aadt aadu aaea aaib aaii aata aatt abaa abab abad abae abai abat abau abb- abba abbb abbe abbi abbt abda abdi abdu abed abee abet abia abib abid abie abit abiu abta abtu abua abud abue abut adaa adab adad adae adai adat adba adbi adda addd adde addi addu adea adeb adee adet adia adib adie adit adta adua adub adue aebi aede aedt aeit aeta aett aiai aiba aida aidb aide aidi aidt aidu aiea aiee aiet aiia aiib aiid aita aite aiti aitt aitu aiud aiui at-t ataa atab atad atae atai atat atdi atdt atea ated atee atei atia atid atie atit atiu atta atte atti attu atua atub auaa aube aude audi aut- aute ba-i baaa baad baat baba babb babe babi babu bada badb badd bade badi badu baed baia baib baid baie bait bata bate bati batt batu bau- baud bbad bbau bbbb bbdd bbeb bbet bdii bead beat beau beba bebb bebe bebi beda bede bedi bedu beeb beed beet beia beit beta bete beti bett betu biad biat biba bibb bibe bibi bida bide bidi bidu bieb bied biet bieu bita bitd bite bitt bitu btaa btdt btie bttb buad buat buba bubb bube bubi bubu buda budb budd bude budi budu buea bueu buid buie buit buiu but- buta bute buti butt daab daad daae daau daba dabb dabt dabu dada dade dadi dadu daeb daeu daia daid daie dait data date dati datt datu daub daud daue daut dbit dbtt dddd ddie ddub dead deae deau deba debe debi debt debu deda dedd dede dedi dedu deeb deed deet deid deie deit deta dete deua deue deut dia- diab diad diat diba dibb dibe dida dide didi didu diea dieb died diet dieu diii dita dite diti ditt dtaa dted duaa duab duad duat dub- duba dubb dube dubu duda dudd dude dudu duet duid duit duta dute duut eaba eada eadb eadd eadi eaiu eata eate eati ebba ebed ebid ebit edad edda edde eddi ede- edea edei edia edie edit edta eede eedu eeea eeee eeta eete eetu eid- eide eidi eidu eied eiei eita eitb eiti etai etat etee etta ette etti ettu etua etui euba eubi eude i-be iaaa iaai iaat iaba iadb iadt iaea iaia iata iate iati ibad ibat ibea ibed ibet ibia ibid ibie ibtb idad idae idat idbe idda idea ided idee idia idid idie idta idub ieat ieet ieie ieta iett ieud iida iide iied iiie iiii iiit iita iitt itaa itai itat itbe itea itet itia itie itta iuiu taa- taat taba tabb tabe tabi tabu tada tade taia tait tata tatb tate tati tatt tatu taua taub taue taut tbit tbta tddb tead teat teba tebu teda tedd tede tedi teed teet teia teie teiu teta tete teti tett tetu teut tiaa tiab tiba tibi tibu tidd tide tie- tiea tied tiee tiei tiet tiit tiiu tita tite titi titt titu ttab ttbb tttt tuae tuat tuba tubb tube tubu tude tudi tudu tuei tuet tuit tuiu tuta tute tuti tutt tutu u-ie uata uatu uaua ubba ubbe ubbi ubet ubid ubii ubit ubud udaa udad udau uddi udea udet udid ueba ueda utai utau utia utid utti uttu uuta uuuu