a-be a-do a-fu aaaa aaab aaad aaae aaaf aaba aabb aabd aada aade aadu aaea aafa aafb aafd aaff aage aaoe aaoo abaa abab abad abae abaf abag abau abb- abba abbb abbe abbo abda abdo abdu abed abee abff abgd aboa abob abod abof aboo abou abua abud abue abuf abug adaa adab adad adae adag adao adba adda addd adde addo addu adea adeb adee adeo adfa adob adod adoe adog adoo adua adub adue aeaf aede aega afaa afad afao afdb afee affa affo afgf afoa afoe afog afoo afua afud afue ag-o agad agag agao agau agba agbo agda agde agea aged agee agfa agga agge aggu agob agod agog agoo agou agua ague aoba aoeu aouf auaa aube aude audo aufe auga auge auug baaa baad baaf baba babb babe babo babu bada badb badd bade bado badu baed baff bafo baga bage bagg bago bau- baud bauf baug bbad bbau bbbb bbdd bbdo bbeb bbga bdog bduf bead beaf beag beau beba bebb bebe bebo beda bede bedo bedu beeb beed beef beeg befa befe beff befo bega begg bego begu beo- beod beof bfgf boab boad boag boba bobb bobe bobo bobu boda bodb bode bodo bodu boea boee boef boeo bofa bofd bofe boff bofu boga bogd boge bogg bogo boob bood booe boof boog boua boud boue bouf buad buba bubb bube bubo bubu buda budb budd bude budg budo budu buea bueu bufe buff bufo buga buge bugg bugo d-bo daab daad daae daag daau daba dabb dabo dabu dada dade dado dadu daeb daeu dafa dafe daff dafo daga dage dagg dago dagu daou daub daud daue dbag dbfo dddd ddub dead deae deaf deau deba debe debu deda dedd dede dedo dedu deeb deed deef deeg defe deff defg defo dega dege dego degu deua deue dfaf dffa dfoe dgeg dgge doab doae doba dobb dobe dobu dod- doda dodd dode dodg dodo doea doeg doff dog- doga doge dogg dogo dogu doob dood doof doub doud doue douf doug duaa duab duad dub- duba dubb dube dubu duda dudd dude dudo dudu duff dufu duga dugu duo- eaaf eaba eada eadb eadd eafb eaga eage ebba ebbo ebed eboe eboo edad edag edda edde eddo ede- edea edfa edfu edge edod edou eede eedu eeea eeee eefa eefe eega ef-g efab efda efeo effa efua egaa egad egae egao egba egbe egbu egea egee eggb egge eggo ego- eode euba eude euge faaa faad faba fabd fabe fabo fabu fada fadd fade fado faeb fafa fafe faff fafg fafo fage fagg fago fagu faud faue fdoa fead feaf feba febo feda fede feeb feed fefe feff fefo fege fegg feod feof feud ffee ffff foad foaf foba foda fode foed fofo foge fogg fogo food foof foua foud foug fuad fubb fubu fuda fudd fude fuff fufu fuga fuge fugo fugu gaba gabb gabe gabo gabu gada gadd gade gado gaea gaed gafa gafb gaff gaga gage gagg gago gagu gaua gaub gaud gaue gbag gbbo gbde gddb geab gead geba gebe geda gedd gede gedo gedu geed gefe gege gegg gego geo- geof geog geue gffa gfoa ggfg gggg goad goaf goba gobe gobo goda gode godo goed goef gofe goff gofu goga gogo good goof goog gou- goud gouf goug guaa guag guao guba gubb gubu guda gude gudo gudu gufa guff guga gugb guge gugg gugu o-eo oaau oade oafo obad obba obbo obea obed oboe odbo odda oddd odea oded odeo odoo odou oedo oegb oeuf off- offa offe offo offu ofgo ogae ogb ogba ogbe ogea ogee ogge ogoa ogod ogog ogou ooaa ooba oobe ooda ooff oooo ouad oude ouea oued oufe ouff ouge ouu- uafa uaua ubba ubbe ubbo ubod ubud udaa udad udau udea udgb udge udoo ueba ueda uefa ufag uffa uffe ugab ugao ugeo uggo ugod uguu uofa uofg uofo uuuu