-ing bbbb bbin bblb bbng bibb bibi bibl bigb bigg bign biin bili bill bin- bing bini binn bipp blin blip blni bnib bnin bnpp gggg gibb gigg gigi gign gilg gili gill ging gini ginn gipi gipp gli- glib glin glip glpi gnib gnin gnip gpgp gpip igil igli igni iiii ilin ill- illi illp ilni inig inni inp- inpi inpp ipil ipin lgin ligg ligi lign liig liii liin lilb lilg lili lill ling linn lip- lipb lipi lipl lipp llll lnbp lppl n-ii nbpp nibi nigg niip nili nill nilp ning nini ninl nlgn nngn nnnn nnpi npbl npin nppl pbil pgib pibb pibi pigb pigg pign pigp piip pil- pili pill ping pini pinn pinp pipi pipp plbg plib plig plin plip plpp pnin pnln pnnl pnpp ppgi ppib ppig ppli pppn pppp