-ing bbbb bbbs bbin bbng bbox 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 biox birb birg biri birn biro birr birs birx bis- biso biss bixi 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 boox bor- borg bori born boro borr bors bosi bosn boso boss brig brin brio bris brix brno brns brob brog bron broo bror bros brox brrr brrs brsb brsr bsgs bsin bsix 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 gsix gson gsos i-go i-no ibis ibns ibon ibos ibox 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 inox inri inro inrs inso inss inxs iobi ioii ioio ioni ionn iono ions iooi iooo ioos iorg iori iors ioso irgs iri- irig irin irio iris irix irob iron irri irrs irsg isbn isbx isin isis isno iso- ison isor isos isrg isri issi isso issr isss ixos ixxi 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 nixi nngn nnnn nnos nnss nobi nobo nobs nogg nogo nogs noib noin noio noir nois noix non- nong noni nonn nono nons nonx 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 obix oboi obon obor obos obox obri obro obsn obsr obss ogb oggi ogin ogni ogog ogoi ogon ogri ogro ogsi oigo oiii oins oion oios ongi ongo onir onis onix onni onno onon onor onos onso oobi oons oooo ooos oosi orbb orbi orbo orbs orgn orgo orgs ori- orig orin orio oris orix 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 oxi- oxis oxo- oxon oxos oxox oxsi oxxo 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 rixo 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 roox rori roro rosi roso ross roxo 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 siox siri siro sirr sirs sisi siss sixo sixx 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 soxs srgb srib sris srni srnn srno sros ssbn ssbr ssgs ssin ssis ssns ssrg ssri ssrs sssb sssi ssss xbin xbox xggi xibo xiii xing xion xisi xixi xois xong xorg xorn xoro xors xoxo xsgi xsin xson xxii xxix xxxi xxxo xxxx