bbbb bbbs bbin bboy bbyo bibb bibi bibo bibs biin biis bin- bini binn bino bins biny bio- bioi bion bios bis- biso biss bisy bivi bivy biys bnib bnin bnss bobb bobi bobo bobs boby boi- boii boin bois boni bonn bono bons bony boob boon boos bosi bosn boso boss bovi bovo bovy boyi boyn boyo boys bsin bsns bson bsos byno byob byoi byon byos bysb bysi byso byss bysy i-by i-no ibis ibns ibon ibos ibsn ibss ibyi iiii iiio iiis iino iioi iioo iios iisi inbo inby inis inni inno inns inny ino- inoi inon inos inso inss invs invy inyo iobi ioby ioii ioio ioni ionn iono ions iooi iooo ioos ioso isbn isin isis isno iso- ison isos issi isso isss issy isys ivbv ivin ivon ivys iyos n-ii nbbo nboy nibi nibo nibs nini nino nins nion nioo nios nisi niso niss nivo niyi nnnn nnos nnss nobi nobo nobs noib noin noio nois non- noni nonn nono nons noo- noob noon nooo noos noov nos- noss nosy nov- novi novo novy noyo noys nsbo nsin nsis nsos nssb nsso nsss nvis nvss nyny nyon nyss obbo obby obin obis oboi obon obos oboy obsn obss obvi obvs oiii oins oion oios onby onis onni onno onon onos onoy onso onys oobi ooby oons oooo ooos oosi osby osii osin osis osno osny osoi osoo osos osov ossb ossi osso ossy ovi- ovis ovni ovo- ovon ovoo oyns oyon oyss s-ib s-ii s-iv s-os sbbs sbsi sibi sibo sibs siby sini sinn sino sins siny sion sios sisi siss sisy sivi siyi snib snns snob snoo snos snov snsy snvi snys sobo sobs soin sois son- soni sono sons sony soon soos sooy sosi soso soss sosv sovo sovs soyo soys ssbn ssby ssin ssis ssns sssb sssi ssss svns svoy sybo syis syn- syns syny syon syso syss vbyv vibs viby viii vini vino vins viny vion vios visi visn viso viss visy vivi vivo vivy vnso voin voio vois voni vonn vons vosi voso voss voyi voys vsby vvob vvsb vvvv vyis vyny vyos vyso vyss ybbs yins yiss yivo ynon yobi yobo yobs yoni yono yons yoon yosi yoso yoyn yoyo ysby ysii yson ysyb yvon yyyy