a-a a-b a-i aaa aab aad aag aai aan ab- aba abb abd abg abi abn ad- ada adb add adg adi adn ag- aga agb agd agg agi agn ai- aia aib aid aig aii ain an- ana anb and ang ani ann baa bab bad bag bai ban bba bbb bbd bbg bbi bbn bda bdb bdd bdg bdi bga bgb bgd bgg bgi bgn bi- bia bib bid big bii bin bna bnb bnd bng bni bnn daa dab dad dag dai dan dba dbb dbd dbg dbi dbn dda ddb ddd ddg ddi ddn dga dgd dgg dgi dgn di- dia dib did dig dii din dna dnb dnd dng dni dnn g-d gaa gab gad gag gai gan gba gbd gbg gbi gbn gda gdb gdd gdi gdn gga ggb ggd ggg ggi ggn gia gib gid gig gii gin gna gnb gnd gni gnn i-d ia- iaa iab iad iag iai ian iba ibb ibd ibg ibi ibn ida idb idd idg idi idn iga igb igd igg igi ign iia iib iid iii iin in- ina inb ind ing ini inn n-i naa nab nad nag nai nan nba nbb nbd nbg nbi nbn nda ndb ndd ndg ndi ndn nga ngb ngd ngg ngi ngn nia nib nid nig nii nin nna nnb nng nni nnn