bbbb bbeb bblb bebb bebe bebi bebo beeb beel beil bele beli bell belo belu belw beo- bewe bibb bibe bibi bibl bibo bieb biel bieu bile bili bill bilo bilu bio- bioi biol biou biw- bleb blee blei bleo bleu blew blio blob bloo blou blow blub blue blw- bobb bobe bobi bobo bobu bobw boee boel boeo boi- boie boii boil boiu bole boli boll bolo bolu boob booe bool boow boue boul bouw bowe bowi bowl bubb bube bubi bubo bubu buel bueu buie buiu bulb bule buli bull bulu buol buwe ebbo ebbw ebel ebli eboe ebol eboo ebow ebul eeee eele eiei eile eiou el-b elbe elbi elbo elbu elee eleo elie elil elio elle elli ello ellu eloi elue elui elul eole eoli eolo eubi eule euoi euwe ewew ewle i-be ibew ibie ible ieie ieio iele iiie iiii iiio iioi iioo iiwi ile- ileo ilie ilio ill- ille illi illo iloo ilow ilwu iobi ioee ioel ioii ioio iole iolo iooi iooo iowe iuel iuiu iweb iwie iwil iwiw le-u lebo lebu leel leib leie leil leio lele leli lell lelo lelu leoi leou lewe libe libo libu lieb liel lieu liew liii lilb lile lili lill lilo lilu lio- liue lleu llew llll lloo lob- lobb lobe lobi lobo loeb loei loeu loew loiu lole loli loll lolo loob looe lool loue loui loul louu louw lowb lowe lowi lowl lowu loww lube lule luli lull lulu luwi luwo luwu lwei lwoo lwow o-eo obbo obel obie oble oblu oboe oboi obol oeil oele oiii olbo ole- olei oleo olib olie olio olle olli ollo oobe oobi oolo oooo ouie ouii oule oulu ouu- ouwe owel owie owli owoe owow owul u-ie ubbe ubbi ubbo ubii uble ubli ublo uele ueli uell uewe uile uleb ulee uleo ulie ulle ulli ullo ulo- ulow ulul ulwe uulu uuuu wbbb wbbe wbbi wbbl wbbo wbbw wbeb wbei wbel wbew wbib wbie wbil wbio wbiw wblb wble wbli wbll wblo wblu wblw wbob wboi wbol wbow wbui wbul wbuw wbwb wbwi wbwl wbwo webb webe webl webo weeb weei weel weeo weeu weib weie weii weil weio weiu welb wele weli well welo welu weol weow wewe wewo wibb wibi wibl wibw wiel wiii wiil wiiu wil- wilb wile wili will wilo wilw wiob wioe wioi wiol wioo wiou wiue wiuw wiwi wiwu wlbb wlbe wlbl wlbw wlee wlel wleo wlew wlib wlie wlil wlio wliw wlle wlli wlll wllw wlob wloe wlol wloo wlou wlub wlue wluw wlwe wlwi wlwl wobb wobe wobl wobo woel woio wolb wole woli woll wolw woob wool woow woub woul wouw wowb wowe wowi wowl wowo woww wubb wubi wubl wubu wule wuli wull wulu wuub wuuu wuwe wwbb wwbl wwbu wweb wwei wwel wweo wwib wwii wwil wwio wwlb wwle wwli wwll wwlu wwlw wwol wwow wwwe wwwi wwwl wwww