bbbb bbdd bbdo bbeb bblb bdle bebb bebe bebo bede bedl bedo bedu beeb beed beel beld bele bell belo belu belw beo- beod bewe bleb bled blee bleo bleu blew blob blod bloo blou blow blub blud blue blw- bobb bobe bobo bobu bobw bodb bode bodo bodu boee boel boeo bold bole boll bolo bolu boob bood booe bool boow boud boue boul bouw bowd bowe bowl bubb bube bubo bubu budb budd bude budl budo budu buel bueu bulb buld bule bull bulu buol buwe d-bo dddd ddub debe debu dedd dede dedo dedu deeb deed deel deld dele dell delo deol deue deul dewe dlbd dlow dobb dobe dobl dobu dod- dodd dode dodo doel dold dole doll dolo dolu doob dood dool doub doud doue doul douw dowb dowd dowe dowl dub- dubb dube dubu dudd dude dudo dudu duel dule dull dulo dulu duo- duul dwbe dwbl dwdd dwdl dwdu dwle dwll dwlw dwwe dwww ebbo ebbw ebed ebel eboe ebol eboo ebow ebul edde eddo ede- edel edle edod edou eede eedu eeee eele el-b elbe elbo elbu elde eled elee eleo elle ello ellu elod elue elul eode eole eolo eude eule euwe ewew ewle ldeo le-u lebd lebo lebu lede ledo leed leel lele lell lelo lelu leod leou leud lewd lewe lldb lleu llew llll llod lloo llud lob- lobb lobe lobo lode loeb loeu loew lold lole loll lolo loob lood looe lool loud loue loul louu louw lowb lowd lowe lowl lowu loww lube ludd lude ludo lued lule lull lulu luwo luwu lwoo lwow o-eo obbo obed obel oble oblu oboe obol odbo oddd oded odel odeo odle odoo odou oedo oele olbo oldb olde oldw ole- oled oleo olle ollo oobe oold oolo oooo oude oued ould oule oulu ouu- ouwe owed owel owld owoe owow owul ubbe ubbo uble ublo ubod ubud udel udoo uele uell uewe ulde uleb ulee uleo ulle ullo ulo- ulow ulul ulwe uulu uuuu wbbb wbbd wbbe wbbl wbbo wbbw wbdl wbeb wbed wbel wbew wblb wbld wble wbll wblo wblu wblw wbob wbol wbow wbud wbul wbuw wbwb wbwl wbwo wdbd wdbl wdbo wddd wdde wddo wddw wdeb wded wdel wdeo wdlb wdld wdlw wdod wdoe wdow wdub wdul wdwd wdwl webb webd webe webl webo wedb wedd wede wedo wedu wedw weeb weed weel weeo weeu welb weld wele well welo welu weod weol weow wewe wewo wlbb wlbe wlbl wlbw wldb wlde wled wlee wlel wleo wlew wlld wlle wlll wllw wlob wlod wloe wlol wloo wlou wlub wlue wluw wlwd wlwe wlwl wobb wobe wobl wobo wodb wodd wode woed woel wolb wold wole woll wolw woob wood wool woow woub woud woul wouw wowb wowe wowl wowo woww wubb wubl wubu wudd wude wudu wuld wule wull wulu wuub wuuu wuwe wwbb wwbd wwbl wwbu wwdb wwdl wwdw wweb wwel wweo wwlb wwld wwle wwll wwlu wwlw wwod wwol wwow wwwe wwwl wwww