-ing bbbb bbbs bbin bblb bbls bbng bbrg bggs bibb bibi bibl bibs bigb bigg bign bigs biin biis bili bill bils bin- bing bini binn bins birb birg biri birl birn birr birs bis- bisl biss blin blir blis blls blni blrg blss bnib bnin bnrr bnss brig bril brin bris brls brns brrr brrs brsb brsr bsgs bsin bsns gbbs gggg ggrn ggss gibb gibs gigg gigi gign gigs giis gilg gili gill gils ging gini ginn gins girg giri girl girn girr girs giss gli- glib glin glis glrb gnib gnin gnrr grbr grib grig gril grin gris grni grrl grrr grrs grss gsis gsli ibis ibns ibri ibsn ibss iggs igil igis igli igni igns igri iiii iiis iirs iisi iisr ilin ilir ilis ill- illi ills ilni ings inig inis inni innr inns inri inrs inss irgs iri- irig iril irin iris irlb irri irrs irsg isbl isbn isil isin isis isls isrg isri issi issr isss lblr lbrs lgin libr libs ligg ligi lign liig liii liin liir liis lilb lilg lili lill lils ling linn lins lirg liri lirl lirn lirr lirs lisi liss llbs llll lngs lrgb lrrr ls-r lssr n-ii ngns ngri ngsn nibi nibs nigg nigs niir nili nill nils ning nini ninl nins nirs nisi nisl niss nlgn nlls nlrb nngn nnls nnnn nnsl nnss nrlb nrrl nsin nsis nslr nsls nsnr nsrl nssb nssr nsss rbbb rbbr rbbs rbis rbsl rbss rgbi rib- ribs rigg rigi rigs riin riis rill ring rinn riri rirs risi riss rlin rlls rnbr rngs rnin rnli rrrr rsbi rsgb rsis rsnn rsnr rssl s-ib s-ii sbbs sbig sbsi sggg sggs sglr sgls sgnl sgss sibi sibs sigg sigi sign sigs sil- sili sill sils sing sini sinn sins siri sirr sirs sisi siss sl-i slib slig slir slln slrn slrs snib snig snir snns snrs srgb srib sris srni srnn ssbn ssbr ssgs ssin ssis ssns ssrg ssri ssrl ssrs sssb sssi ssss