-ing bbbb bbfn bbin bblb bbng bbrg bffl bfgf bibb bibi bibl biff bifi bigb bigg bign biin bili bill bin- bing bini binn birb birg biri birl birn birr blin blir blni blrg bnib bnin bnrr brig bril brin brrr ffff ffii ffrr fiff fifi figg figl fiii fiil fili fill filn fing fini finn firn flig flii flin flnb frib frig fril frin ggfg gggg ggrn gibb giff gigg gigi gign gilf gilg gili gill ging gini ginn girg giri girl girn girr gli- glib glin glrb gnib gnin gnrr grbr grib grif grig gril grin grni grrl grrr ibfi ibri ifbb ifil ifni ifnr ifrb ifrf ifri igil igli igni igri iiii ilin ilir ill- illi ilni infi infl inig inni innr inri iri- irig iril irin irlb irri lblr lfng lgfl lgin libr liff lifg lifl ligg ligi lign liig liii liin liir lilb lilg lili lill ling linn lirg liri lirl lirn lirr llll lrgb lrif lrrr n-ii nbfl nfff nfib ngri nibi niff nigg niir nili nill ning nini ninl nlgn nlrb nngn nnnn nrlb nrrl rbbb rbbr rffl rgbi rib- riff rigg rigi riif riin rill rinf ring rinn riri rlif rlin rnbr rnin rnli rrif rrrr