bbb bbd bbe bbg bbi bbn bdb bdd bde bdg bdi be- beb bed bee beg bei ben bgb bgd bge bgg bgi bgn bi- bib bid bie big bii bin bnb bnd bne bng bni bnn dbb dbd dbe dbg dbi dbn ddb ddd dde ddg ddi ddn de- deb ded dee deg dei den dgd dge dgg dgi dgn di- dib did die dig dii din dnb dnd dne dng dni dnn ebb ebd ebe ebg ebi ebn ed- edb edd ede edg edi edn eeb eed eee eeg een egb egd ege egg egi egn eib eid eie eig eii ein en- enb end ene eng eni enn g-d gbd gbe gbg gbi gbn gdb gdd gde gdi gdn ge- geb ged gee geg gei gen ggb ggd ggg ggi ggn gib gid gie gig gii gin gnb gnd gne gni gnn i-d ibb ibd ibe ibg ibi ibn idb idd ide idg idi idn ie- ied iee ieg iei ien igb igd ige igg igi ign iib iid iie iii iin in- inb ind ine ing ini inn n-i nbb nbd nbe nbg nbi nbn ndb ndd nde ndg ndi ndn ne- neb ned nee neg nei nen ngb ngd nge ngg ngi ngn nib nid nie nig nii nin nnb nne nng nni nnn