bbbb bbin bibb bibi bibo biin bin- bini binn bino binz bio- bioi bion bizz bnib bnin bobb bobi bobo boi- boii boin boni bonn bono boob boon booz bozi bozo bzzz i-no ibon iiii iiio iino iioi iioo inbo inni inno ino- inoi inon inoz iobi ioii ioio ioni ionn iono iooi iooo izon izzo n-ii nbbo nibi nibo nini nino nion nioo nnnn nobi nobo noib noin noio non- noni nonn nono noo- noob noon nooo nozi obbo obin oboi obon oiii oion onni onno onon onoz onzo oobi oooo oozi ozon zibo zinn zino zion zizi zizz zobo zoio zon- zoni zoo- zoon zozo zzzz