-ing bbbb bbci bbin bbng bcbc bcbg bccc bcci bibb bibi bicc bicg bici bigb bigc bigg bign biin bin- binc bing bini binn bnib bnin cbbc cbcc cbcn cbgb ccbc ccbn cccb cccc ccci ccgc ccic ccii ccnb ccnc ccni cgcc cgcg cibc cibi cicc cici cigi ciii cin- cinc cing cini cnbc cnci cngi cnib cnic gc-c gcbc gccc gcic gcii gggg gibb gigg gigi gign ging gini ginn gncc gngc gnib gnin icbc iccb iccc icci iccn icgc icnb icnc igbc igcc igni iiii incb inci inig inni n-ii nbbc nbcc nbci nbic ncbc ncbi nccc ncci nccn ncnc ngic nibi nicc nici nigc nigg ning nini nngn nnnn