a-ak a-be a-ok aaaa aaab aaae aaav aaba aabb aaea aaev aage aaka aake aaoe aaoo aava abaa abab abae abag abak abb- abba abbb abbe abbo abee aboa abob abok aboo abov abva aega aeka aeva ag-o agag agao agav agba agbo agea agee agga agge agob agog agoo agva akaa akae akao akee akeg akka akko akok aoba avab avao avea aveo avgo avva avvo baaa baak baba babb babe babo baek baga bage bagg bago bak- baka bake bako bava bave bbbb bbeb bbga beag beak beav beba bebb bebe bebo beeb beeg beek bega begg bego beka beke beko beo- beok bevo boab boag boak boba bobb bobe bobo boea boee boeo boga boge bogg bogo boka boke boko boob booe boog book bova bove bovo eaba eaga eage eave ebba ebbo eboe eboo eeea eeee eega eeka eeke eeva egaa egae egao egba egbe egea egee eggb egge eggo ego- egov eka- ekab ekeb ekek ekka ekoa eoka evae evea evga evoe evoo evvk gaba gabb gabe gabo gaea gaga gage gagg gago gava gave gbag gbbo geab geba gebe geek gege gegg gego geko geo- geog geva geve gevo gggg goba gobe gobo goga gogo goke goog gook gove gvvv kaaa kaab kaag kaak kaba kabb kabe kabg kabo kaeo kag- kaga kagb kage kagg kago kagv kaka kake kakk kako kaoa kaog kaok kava kavb kave kavo kavv kbaa kbab kbae kbak kbba kbbb kbbe kbbg kbbk kbbo kbeb kbee kbek kbeo kbev kbga kbgb kbge kbgg kbgo kbkb kbkg kbkk kbko kbkv kboa kbob kboe kbok kboo kbov kbva kbvb kbvo kea- keag keak keba kebb kebe keek kega kege kegg kegk keka kekb keke keko keok keva keve kgab kgak kgba kgbb kgeb kgeo kgga kggg kggo kgoe kgva kgve kgvo kkaa kkag kkba kkbb kkbe kkbg kkbo kkea kkeg kkgb kkgo kkkk kkoa kkob kkoo kkov kkvv koab koae koak koba kobb kobe kobk kobo koea koga kogb koge kogg kogo koka kokb koke kokk koko koob koog kook kooo koov kova kove kovk kovo kvab kvak kvea kveg kvgb kvgo kvoa kvob kvoe kvog kvok kvoo kvov kvvv o-eo oake obak obba obbo obea obkb oboe obok oegb ogae ogb ogba ogbe ogea ogee ogge ogoa ogog okak okgo okka okko okok ooaa ooak ooba oobe oooo ovee ovo- ovoo vag- vaga vage vagg vaka vake vava veak veba vega vege veka veke veve vevo voga voge voka voke voog vovk vvob vvog vvvv