bbbb bbdd bbdo bboy bbyo bobb bobo bobu boby bodb bodo bodu body bokn boko boku bond bonk bonn bono bonu bony boob bood book boon boud bouk boun bouy boyd boyn boyo bubb bubo bubu budb budd budo budu budy bukk buko buku buky bunb bund bunk bunn buno bunu buon buoy buyo buyu bynd bynk byno byob byod byon byun byyd d-bo dboy dddd ddub dkny dnuk dobb dobu doby dod- dodd dodo dody doko doky dond donk donn dono doob dood dook doon doub doud douk doun douy doyk doyo dub- dubb dubu duby dudd dudo dudu duku dunk dunn duno duny duo- duon duyn dybn dybu dydd dyko dyku dyno dynu dyny dyo- dyok dyon dyoo dyou dyun kbbb kbbd kbbk kbbo kbbu kbdb kbdn kbdo kbdy kbkb kbkk kbko kbky kbnd kbnn kbno kbnu kbob kbod kbok kbon kboo kbub kbud kbuk kbun kbuu kbuy kbyb kbyn kbyo kbyu kdbb kdbn kddb kddd kddk kdkb kdkd kdkk kdkn kdko kdnd kdnk kdnn kdno kdok kdub kdun kdyk kdyn kkbb kkbd kkbn kkbo kkdd kkdo kkdy kkkk kknb kknd kknn kkno kknu kkob kkon kkoo kkoy kkuu kkyy knbb knbn knbu knby kndb kndd kndk kndn kndo kndu kndy knkk knnb knnd knnk knob knod knok knon knou knub knud knuk knyd knyk knyn kobb kobk kobn kobo kobu koby kodk kodo kodu kody kokb kokk kokn koko koku koky kond konk kono kony koob kook koon kooo koou koub kouu koyn koyo koyy kubb kubd kubo kubu kuby kudd kudo kudu kukk kukn kuku kuky kund kunk kuno kunu kuny kuok kuon kuoo kuub kuuk kuuu kuyn kuyo kuyu kuyy kybb kybo kyby kydd kydn kydo kydy kykd kykk kykn kyky kynd kyno kynu kyok kyon kyoo kyoy kyuk kyun kyuu kyyk kyyo kyyy nbbo nboy nddb nddo nkok nndb nnnn nobo nobu nodo nodu nody noko non- nonn nono nonu noo- noob nook noon nooo noun noyo nubk nuby nudd nudo nuku nunk nunn nuno nuny nuon nuuk nyko nyny nyon nyuk obbo obby obkb obok obon oboy odbo oddd oddy odnb odon odoo odou okby okko okno okny okok okon okun okyo onby ondo ondy onno onod onon onoy ooby ooku ooky oooo oun- ound ouu- oyon oyou oyun ubbo ubod ubon ubud udny udon udoo uduk udun ukko ukky ukok ukon ukyo unbd undo undy unkn unko unky unno unon unyk uuno uuuu uuyn uydo ydon ykko ynkb ynon ynou yobo yodo yoko yoky yond yonk yono yood yook yoon youb youd youk yoyn yoyo yubu yudo yudu yuko yuku yuky yund yuny yuon yuyu yyyy