-ing bbbb bbbs bbin bbng bggs bgon bibb bibi bibo bibs bigb bigg bign bigo bigs biin biis bin- bing bini binn bino bins bio- biog bioi bion bios bis- biso biss bnib bnin bnss bobb bobi bobo bobs bogg bogi bogo bogs boi- boii boin bois bong boni bonn bono bons boob boog boon boos bosi bosn boso boss bsgs bsin bsns bson bsos gbbo gbbs gbon gggg ggss gibb gibs gigg gigi gign gigo gigs giis ging gini ginn gino gins giog gioi gion giss gnib gnin gnoo gobi gobo gobs gogi gogo gogs goin gois gon- gong goni gonn gono gons goog gooi goon goos gosi goso goss gsis gson gsos i-go i-no ibis ibns ibon ibos ibsn ibss igbo iggs igis igni igno igns igon igoo igso iiii iiio iiis iino iioi iioo iios iisi inbo ingo ings inig inis inni inno inns ino- inoi inon inos inso inss iobi ioii ioio ioni ionn iono ions iooi iooo ioos ioso isbn isin isis isno iso- ison isos issi isso isss n-ii nbbo ngio ngns ngon ngos ngsn nibi nibo nibs nigg nigo nigs ning nini nino nins niog nion nioo nios nisi niso niss nngn nnnn nnos nnss nobi nobo nobs nogg nogo nogs noib noin noio nois non- nong noni nonn nono nons noo- noob noon nooo noos nos- noss nsbo nsin nsis nsos nssb nsso nsss obbo obin obis oboi obon obos obsn obss ogb oggi ogin ogni ogog ogoi ogon ogsi oigo oiii oins oion oios ongi ongo onis onni onno onon onos onso oobi oons oooo ooos oosi osgi osii osin osis osno osoi osoo osos ossb ossi osso s-ib s-ii s-os sbbs sbig sbsi sggg sggs sgio sgss sibi sibo sibs sigg sigi sign sigo sigs sing sini sinn sino sins sion sios sisi siss snib snig snns snob snog snoo snos sobo sobs sogi sogn sogo sogs soin sois son- song soni sono sons soog soon soos sosi soso soss ssbn ssgs ssin ssis ssns sssb sssi ssss