a-be aaaa aaab aaae aaba aabb aaea aage aaoe aaoo abaa abab abae abag abaj abb- abba abbb abbe abbo abee aboa abob aboo aega ag-o agag agao agba agbo agea agee agga agge agob agog agoo ajab ajag ajao ajba ajee ajga ajob ajog ajoo aoba baaa baba babb babe babo baga bage bagg bago baja bbbb bbeb bbga beag beba bebb bebe bebo beeb beeg beej bega begg bego beja beo- bjoa boab boag boba bobb bobe bobo boea boee boeo boga boge bogg bogo bojo boob booe boog eaba eaga eage ebba ebbo eboe eboo eeea eeee eega egaa egae egao egba egbe egea egee eggb egge eggo ego- ejob ejoo g-jo gaba gabb gabe gabo gaea gaga gage gagg gago gaja gbag gbbo geab geba gebe gege gegg gego geo- geog gggg goba gobe gobo goga gogo goje gojg gojo goog jaba jabo jaga jagg jago jaja jbaa jbob jebb jebe jega jego joab joao joba jobe jobo joea joee joga jogg jojo o-eo obba obbo obea obja oboe oegb ogae ogb ogba ogbe ogea ogee ogge ogoa ogog ojea ooaa ooba oobe oooo