bbbb bbin bibb bibi bibo biin biji bin- bini binn bino bio- bioi bion bivi bjni bnib bnin bobb bobi bobo boi- boii boin boji bojo boni bonn bono boob boon bovi bovo 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 ivbv ivin ivon jbob jibb jibi jiji jini jinn jion jobo join joio joji jojo joni jonn jono joon jovi jovo n-ii nbbj nbbo nibi nibo niji nini nino nion nioo nivo njoi nnnn nobi nobo noib noin noio noji non- noni nonn nono noo- noob nooj noon nooo noov nov- novi novo obbo obin oboi obon obvi oiii oion onni onno onon oobi ooij ooji oooo ovi- ovni ovo- ovon ovoo viii viji vini vino vion vivi vivo voin voio voni vonn vvob vvvv