bbbb bbdd bbdo bbfn bbin bblb bdii bdin bffl bibb bibi bibl bibo bidi bido biff bifi biin bild bili bill bilo bin- bind bini binn bino bio- bioi biol bion blin blio blni blno blob blod blon bloo bnib bnin bobb bobi bobo bodb bodi bodo bofd boff boi- boid boii boil boin bold boli boll boln bolo bond boni bonn bono boob bood boof bool boon d-bo dbfo dbnl dddd dibb dibo didi dido dif- diff diii dilf dili dill dilo din- dini dinn dino diol dion dlbd dlib dlii dlil dobb dobi dobl dod- dodd dodi dodo doff doid doil doin dold dolf doli doll dolo dond doni donn dono doob dood doof dool doon ffff ffii fidf fido fiff fifi fifo fiii fiil fild fili fill filn filo find fini finn fino fion flid flii flin flnb flob flod flon floo fndd fndn fofo foid foil foin fold foli foll folo fond fono food foof fool foon i-no ibdo ibfi ibid ibon iddo idid idil idin idio idli idno idol idon ifbb ifid ifil ifni ifno iiii iiio iino iioi iioo ilin ilio ill- illd illi illo ilni ilno iloo inbd inbo ind- indi indo infi infl info inid inni inno ino- inoi inol inon iobi iod- iodd iodo ioii ioio iolo ioni ionn iono ioof iooi iooo ldif libo lidb lidl lido liff lifl lifo liii liin lilb lili lill lilo lind linn lino lio- liod lion lldb llll llod lloo lndn lob- lobb lobi lobo lodi loff lofi lofn loid loif loin lold loli loll lolo lond loni lono loob lood loof lool loon n-ii nbbo nbfl nddb nddo ndfi nfff nfib nfld nfon nibi nibo nidd nidi nido niff nild nili nill nilo nind nini ninl nino nion nioo nndb nnnn nobi nobo nodi nodo nofi noib noid noif noil noin noio nold nolf noli noll nolo non- noni nonn nono noo- noob nool noon nooo obbo obid obin oboi obol obon odbo oddd oddi odin odio odnb odon odoo off- offo ofid ofno oido oiii oion olbo oldb oldn olib olid olin olio olli ollo olof olon ondi ondo onil onlf onni onno onod onon oobi oodi ooff ooid oold oolo oooo