-ing bbbb bbbs bbin bbng bbrg bggs bgon bibb bibi bibo bibs bigb bigg bign bigo bigs biin biis bin- bing bini binn bino bins bio- biog bioi bion bios birb birg biri birn biro birr birs bis- biso biss bnib bnin bnor bnrr bnss bobb bobi bobo bobs bogg bogi bogo bogs boi- boii boin bois bong boni bonn bono bons boob boog boon boor boos bor- borg bori born boro borr bors bosi bosn boso boss brig brin brio bris brno brns brob brog bron broo bror bros brrr brrs brsb brsr bsgs bsin bsns bson bsos gbbo gbbs gbon gggg ggrn ggss gibb gibs gigg gigi gign gigo gigs giis ging gini ginn gino gins giog gioi gion girg giri girn giro girr girs giss gnib gnin gnoo gnrr gobi gobo gobs gogi gogo gogs goin gois gon- gong goni gonn gono gons goog gooi goon goor goos gorb gorg gori gorn goro gorr gors gosi goso goss grbr grib grig grin gris grni grob grog groi gron groo gror gros grrr grrs grss gsis gson gsos i-go i-no ibis ibns ibon ibos ibri ibro ibsn ibss igbo iggs igis igni igno igns igon igoo igor igri igso iiii iiio iiis iino iioi iioo iios iirs iisi iisr inbo ingo ings inig inis inni inno innr inns ino- inoi inon inor inos inri inro inrs inso inss iobi ioii ioio ioni ionn iono ions iooi iooo ioos iorg iori iors ioso irgs iri- irig irin irio iris irob iron irri irrs irsg isbn isin isis isno iso- ison isor isos isrg isri issi isso issr isss n-ii nbbo ngio ngns ngon ngor ngos ngri ngsn nibi nibo nibs nigg nigo nigs niir ning nini nino nins niog nion nioo nios niro nirs nisi niso niss nngn nnnn nnos nnss nobi nobo nobs nogg nogo nogs noib noin noio noir nois non- nong noni nonn nono nons noo- noob noon nooo noor noos nor- norb norg nori norn noro norr nors nos- noss nron nsbo nsin nsis nsnr nsos nssb nsso nssr nsss obbo obin obis oboi obon obor obos obri obro obsn obsr obss ogb oggi ogin ogni ogog ogoi ogon ogri ogro ogsi oigo oiii oins oion oios ongi ongo onir onis onni onno onon onor onos onso oobi oons oooo ooos oosi orbb orbi orbo orbs orgn orgo orgs ori- orig orin orio oris orni orno orns oro- oron oror oros orri orro orrs orsi orso osgi osii osin osis osno osnr osoi osoo osor osos osro ossb ossi osso rbbb rbbr rbbs rbis rbss rgbi rib- ribo ribs rigg rigi rigo rigs riin riis ring rinn rino rion rios riri rirs risi riso riss rnbr rngs rnin rob- robb robi robo robs rogg rogi rogo roig roin roio roir rois rong roni rono rons roob roog rooi roon roor roos rori roro rosi roso ross rrrr rsbi rsgb rsis rsnn rsno rsnr rsos s-ib s-ii s-os sbbs sbig sbor sbsi sggg sggs sgio sgro sgss sibi sibo sibs sigg sigi sign sigo sigs sing sini sinn sino sins sion sior sios siri siro sirr sirs sisi siss snib snig snir snns snob snog snoo snor snos snrs sobo sobr sobs sogi sogn sogo sogs soin soir sois son- song soni sono sons soog soon soor soos sorb sorg sori sorn soro sorr sors sosi soso soss srgb srib sris srni srnn srno sros ssbn ssbr ssgs ssin ssis ssns ssrg ssri ssrs sssb sssi ssss