-ing bbbb bbbs bbin bbng bggs bgon bgst bibb bibi bibo bibs bigb bigg bign bigo bigs bigt biin biis bin- bing bini binn bino bins bint bio- biog bioi bion bios biot bis- biso biss bist bito bits bitt bnib bnin bnss bobb bobi bobo bobs bogg bogi bogo bogs bogt boi- boii boin bois boit bong boni bonn bono bons bont boob boog boon boos boot bosi bosn boso boss bost botb boti botn boto bots bott bsgs bsin bsns bson bsos bsts btob btss bttb gbbo gbbs gbon ggbt gggg ggss gibb gibs gigg gigi gign gigo gigs giis ging gini ginn gino gins giog gioi gion giss gist gito gits gnib gnin gnit gnoo gnti gobi gobo gobs gogi gogo gogs goin gois goit gon- gong goni gonn gono gons goog gooi goon goos goot gosi goso goss gost goti goto gots gott gsis gson gsos gtos i-go i-no ibis ibns ibon ibos ibot ibsn ibss ibtb ibts igbo iggs igis igni igno igns igon igoo igot igso iiii iiio iiis iiit iino iioi iioo iios iisi iist iitt inbo ingo ings inig inis init inni inno inns ino- inoi inon inos inot inso inss inst intg inti intn into ints iobi iogt ioii ioio ioit ioni ionn iono ions iooi iooo ioos ioso ioto isbn isbt isin isis isit isno isnt iso- ison isos issi isso isss isti isto ists itbs itgo itgs itin itis itno itoi iton itoo itos itsi itso itto n-ii nbbo nbti ngio ngns ngon ngos ngsn ngtn ngts nibi nibo nibs nigg nigo nigs nigt niit ning nini nino nins niog nion nioo nios nisi niso niss nist nitb niti nito nits nngn nnit nnnn nnos nnot nnss nntn nobi nobo nobs nogg nogo nogs nogt noib noin noio nois noit non- nong noni nonn nono nons nont noo- noob noon nooo noos noot nos- noss nost not- noti noto nots nott nsbo nsin nsis nsos nssb nsso nsss nsts ntis ntsb ntss ntto obbo obin obis obit oboi obon obos obot obsn obss obst obts ogb oggi ogin ogni ogog ogoi ogon ogsi oigo oiii oins oint oion oios oist oiti ongi ongo onis onit onni onno onon onos onso onst ont- onti onto oobi oons oont oooo ooos oosi oost ootb oots osgi osii osin osis osno osoi osoo osos ossb ossi osso osti osts otbs otin otis otit oto- otog oton otoo otos otsg otso otti otto otts s-ib s-ii s-os sbbs sbig sbot sbsi sbst sbtn sggg sggs sgio sgss sgts sibi sibo sibs sigg sigi sign sigo sigs siit sing sini sinn sino sins sint sion sios siot sisi siss sist sit- siti sitn sito sits sitt snib snig snit snns snob snog snoo snos snot sobo sobs sobt sogi sogn sogo sogs soin sois soit son- song soni sono sons sont soog soon soos soot sosi soso soss sost sotn soto sots ssbn ssgs ssgt ssin ssis ssit ssns ssot sssb sssi ssss sstb ssts stbs stib stig stio stis stit stng stnn stns stob stog ston stoo stos stot stsi stss tbbs tbgs tbit tbst tgts tibi tibs tigi tigs tiit ting tini tinn tino tins tint tion tios tisb tisi tiso tiss tist titi tito tits titt tngs tnts tobi tobo tobs tobt togo togs togt tois toit tonb tong toni tonn tono tons toon toos toot tosb tosi toso toss tost toti toto tots tott tsgt tsig tsin tsis tsob tsoi tsos tssg tssi tsst tsts ttbb tton ttss tttt