bbbb bbdd bblb bdii bibb bibi bibl bidi bild bili bill biw- blw- dddd dibb didi diii dili dill dlbd dlib dlii dlil dwbl dwdd dwdl dwi- dwid dwil dwll dwlw dwww ibid idid idil idli iiii iiwi ill- illd illi iwil iwiw lidb lidl liii lilb lili lill lldb llll wbbb wbbd wbbi wbbl wbbw wbdl wbib wbil wbiw wblb wbld wbli wbll wblw wbwb wbwi wbwl wdbd wdbl wddd wddw wdlb wdld wdlw wdwd wdwl wibb wibi wibl wibw widi widl widw wiii wiil wil- wilb wild wili will wilw wiwi wlbb wlbl wlbw wldb wldi wlib wlil wliw wlld wlli wlll wllw wlwd wlwi wlwl wwbb wwbd wwbl wwdb wwdl wwdw wwib wwii wwil wwlb wwld wwli wwll wwlw wwwi wwwl wwww