bbbb bbin bibb bibi bibo biin biji bin- bini binn bino bio- bioi bion bjni bnib bnin bobb bobi bobo boi- boii boin boji bojo boni bonn bono boob boon i-no ibon iiii iiio iino iioi iioo ijji inbo inji inni inno ino- inoi inoj inon iobi ioii ioio ioni ionn iono iooi iooo jbob jibb jibi jiji jini jinn jion jobo join joio joji jojo joni jonn jono joon n-ii nbbj nbbo nibi nibo niji nini nino nion nioo njoi nnnn nobi nobo noib noin noio noji non- noni nonn nono noo- noob nooj noon nooo obbo obin oboi obon oiii oion onni onno onon oobi ooij ooji oooo