bbbb bblb bibb bibi bibl bibo bili bill bilo bimo bio- bioi biol blim blio blob blom bloo bmmi bobb bobi bobo boi- boii boil boim boli boll bolm bolo bomb bomi boob bool boom ibbm ibim ibml iiii iiio iioi iioo ilbm ilio ill- illi illo ilmo iloo imbi imli immi immo iobi ioii ioio iolo iomo iooi iooo libo liii lilb lili lill lilo limb limi liml limm limo lio- liom llll lloo lmbo lmii lob- lobb lobi lobo loli loll lolo lomb lomi lomm lomo loob lool loom mbim mbio miii miio mili mill milo mim- mimi mimo mio- miol mlii mmii mmli mmmm mobb mobi mobo moii moil moio moli moll molo momi momo moob mool obbo oboi obol oiii oimb olbo olib olim olio olli ollo olmi olmo olom ombo omim omio omo- omoi omoo oobi oolo oooo