b-u bbb bbe bbg bbk bbo bbu be- beb bee beg bek beo beu bgb bge bgg bgk bgo bgu bkb bke bkg bkk bko bob boe bog bok boo bou bub bue bug buk buo buu ebb ebe ebg ebk ebo ebu eeb eee eeg eek eeo egb ege egg ego egu ekb eke ekg eko eku eo- eob eoe eog eok eoo eou eu- eub eue eug gbe gbg gbk gbo gbu ge- geb gee geg gek geo geu ggb ggg ggo ggu gkb gko gob goe gog gok goo gou gu- gub gue gug guk guo guu kbb kbe kbk kbo kbu ke- keb kee keg kek keo kgb kgo kgu kkb kke kkk kku kob koe kog kok koo kou kub kue kug kuk kuu ob- obb obe obg obk obo obu oeb oee oeg oeo oge ogg ogo okb oke okg okk oko oku oo- oob oog ook ooo ou- oue ouk ouo ubb ube ubg ubk ubo ubu ueb uee ueg ugb uge ugg ugk ugo ugu ukb uke ukk uku uob uoe uog uok uoo uue uug uuu

bbbb bbeb bebb bebe bebo beeb beeg beek begg bego begu beke beko beo- beok beuk bobb bobe bobo bobu boee boeo boge bogg bogo boke boko boku boob booe boog book boue bouk bubb bube bubo bubu bueu buge bugg bugo buke bukk buko buku ebbo eboe eboo eeee eeke egbe egbu egee eggb egge eggo ego- ekeb ekek euge gbbo gebe geek gege gegg gego geko geo- geog geue gggg gobe gobo gogo goke goku goog gook gou- goug gouk gubb gubu gugb guge gugg gugu kbbb kbbe kbbg kbbk kbbo kbbu kbeb kbee kbek kbeo kbgb kbge kbgg kbgo kbkb kbkg kbkk kbko kbob kboe kbok kboo kbub kbue kbuk kbuu kebb kebe kebu keek kege kegg kegk kekb keke keko keku keok keug kgbb kgeb kgeo kggg kggo kgoe kgou kkbb kkbe kkbg kkbo kkeg kkgb kkgo kkkk kkob kkoo kkuu kobb kobe kobk kobo kobu kogb koge kogg kogo kogu kokb koke kokk koko koku koob koog kook kooo koou koub koue kouu kubb kube kubo kubu kuek kueu kugb kuge kugo kuke kukk kuku kuok kuoo kuub kuuk kuuu o-eo obbo obkb oboe obok oegb ogb ogbe ogee ogge ogog ogou okgo okko okok oobe ooku oooo ouge ouu- ubbe ubbo ubek ugeo uggo uguu ukek ukeu ukko ukok uoke uuuu

bbbee bbook bebek bebog beebe beeke begee begge begob begue bekke bekko bekok bo-bo bobek bobko bobok boege boeke bogge bogoe bogu bogue bokeo bokko bokok booke booko bouee bouge bouke bouko bubbe bugge bugok bugoo bukk- ebeko ebook eboue eeeee ekeko ekuku gbeke gbeko gboko gebke geebo gegge gekko go-go go-oo gobbe gobbo gobeo goeke gogok gogue goobo googe gouge gubbe gubbo gukgo guoge k-gee kebbe kebek kebob keego ko-ko kobee kobuk koege kogge kogoe kokko kokou koogu kubek kubok kukko kukok obegu oboue ogogo ogugu okeke okobo okoge okubo okuku ooooo ubobo ukeke ukobu ukuug uouee uuuuu

bbbbbb bebook beebee beebug beegee begogo bobeke boegoe booboo booue boubou bougee bougou bougue boukou bububu bugbug buk-gu e-book egoboo g-book gbegbe gbeogo geegee gekkou googoo gougee gubgub guegue keokee keokuk kobogo koboko kogoue kokoku kokubo kookoo koubek koubou koukou oooooo

bbbbbbb bok-bok boo-boo boobook eggebek gee-gee gobekko goo-goo goooooo guk-guk kee-kee ububboo

bbbbbbbb bo-bo-bo bogogobo gogogogo koekkoek kukukuku ubbubboo

beebeebee bogo-bogo ke-bouebo keek-keek

bobobougou

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