bbb bbd bbg bbi bbn bdb bdd bdg bdi bgb bgd bgg bgi bgn bi- bib bid big bii bin bnb bnd bng bni bnn dbb dbd dbg dbi dbn ddb ddd ddg ddi ddn dgd dgg dgi dgn di- dib did dig dii din dnb dnd dng dni dnn g-d gbd gbg gbi gbn gdb gdd gdi gdn ggb ggd ggg ggi ggn gib gid gig gii gin gnb gnd gni gnn i-d ibb ibd ibg ibi ibn idb idd idg idi idn igb igd igg igi ign iib iid iii iin in- inb ind ing ini inn n-i nbb nbd nbg nbi nbn ndb ndd ndg ndi ndn ngb ngd ngg ngi ngn nib nid nig nii nin nnb nng nni nnn