a-be a-do aaaa aaab aaad aaae aaba aabb aabd aabt aada aade aadt aaea aage aaoe aaoo aata aatt abaa abab abad abae abag abat abb- abba abbb abbe abbo abbt abda abdo abed abee abet abgd aboa abob abod aboo abot abta adaa adab adad adae adag adao adat adba adda addd adde addo adea adeb adee adeo adet adob adod adoe adog adoo adot adta aede aedt aega aeta aeto aett ag-o agad agag agao agat agba agbo agda agde agea aged agee aget agga agge agob agod agog agoo agot agta agte aoba aotd at-t ataa atab atad atae atat atdt atea ated atee ateo atgo atob atod atoe atot atta atte atto baaa baad baat baba babb babe babo bada badb badd bade bado baed baga bage bagg bago bagt bata bate bato batt bbad bbbb bbdd bbdo bbeb bbet bbga bdog bead beag beat beba bebb bebe bebo beda bede bedo beeb beed beeg beet bega begg bego beo- beod beot beta bete beto bett boab boad boag boat boba bobb bobe bobo boda bodb bode bodo boea boee boeo boet boga bogd boge bogg bogo bogt boob bood booe boog boot bota botb botd bote boto bott btaa btdt btob bttb d-bo daab daad daae daag daba dabb dabo dabt dada dade dado daeb daga dage dagg dago data date dato datt dbag dbtt dddd ddot dead deae deba debe debt deda dedd dede dedo deeb deed deeg deet dega dege dego deta dete deto dgeg dgge doab doae doat doba dobb dobe dod- doda dodd dode dodg dodo doea doeg dog- doga doge dogg dogo doob dood doot dota dotd dote doto dott dtaa dted dtot eaba eada eadb eadd eaga eage eata eate ebba ebbo ebed eboe eboo edad edag edda edde eddo ede- edea edge edod edta eede eeea eeee eega eeta eete egaa egad egae egao egat egba egbe egea egee eggb egge eggo ego- egot egta egte eode eota eotd eoto etag etat etee etoe etta ette etto gaba gabb gabe gabo gabt gada gadd gade gado gaea gaed gaga gage gagg gago gata gate gato gatt gbag gbbo gbde gddb geab gead geat geba gebe geda gedd gede gedo geed geet gege gegg gego geo- geog geta getb gete getg geto gett ggbt gggg goad goat goba gobe gobo goda gode godo goed goga gogo good goog goot gota gotd gote goto gott gtaa gtea gtoe gtta o-eo oade oate obad obba obbo obdt obea obed obet oboe obot obtd odbo odda oddd odea oded odeo odet odoo odot oedo oegb oeta ogae ogb ogba ogbe ogea ogee ogge ogoa ogod ogog ooaa ooba oobe ooda oooo ootb otbd otea oted otee oto- otoe otog otoo otta otte otto taa- taag taat taba tabb tabe tabo tada tade tadg tado taga tage tagg tago taoa tata tatb tate tato tatt tbta tddb tead teat teba tebo teda tedd tede teed teet tega tegg tego tegt teta tete teto tett toab toad toat toba tobe tobo tobt toda todd tode todo todt toea toed toee toet toga toge togo togt tooa tood toot tota totd tote toto tott ttab ttbb tteo ttoe tttt