a-be aaaa aaab aaae aaba aabb aaea aage aaoe aaoo abaa abab abae abag abau abb- abba abbb abbe abbo abee aboa abob aboo abou abua abue abug aega ag-o agag agao agau agba agbo agea agee agga agge aggu agob agog agoo agou agua ague aoba aoeu auaa aube auga auge auug baaa baba babb babe babo babu baga bage bagg bago bau- baug bbau bbbb bbeb bbga beag beau beba bebb bebe bebo beeb beeg bega begg bego begu beo- boab boag boba bobb bobe bobo bobu boea boee boeo boga boge bogg bogo boob booe boog boua boue buba bubb bube bubo bubu buea bueu buga buge bugg bugo eaba eaga eage ebba ebbo eboe eboo eeea eeee eega egaa egae egao egba egbe egbu egea egee eggb egge eggo ego- euba euge gaba gabb gabe gabo gabu gaea gaga gage gagg gago gagu gaua gaub gaue gbag gbbo geab geba gebe gege gegg gego geo- geog geue gggg goba gobe gobo goga gogo goog gou- goug guaa guag guao guba gubb gubu guga gugb guge gugg gugu o-eo oaau obba obbo obea oboe oegb ogae ogb ogba ogbe ogea ogee ogge ogoa ogog ogou ooaa ooba oobe oooo ouea ouge ouu- uaua ubba ubbe ubbo ueba ugab ugao ugeo uggo uguu uuuu