a-a a-b aaa aab aad aag aan aaw ab- aba abb abd abg abn abw ad- ada adb add adg adn adw ag- aga agb agd agg agn agw an- ana anb and ang ann aw- awa awb awd awg awn aww baa bab bad bag ban baw bba bbb bbd bbg bbn bbw bda bdb bdd bdg bdw bga bgb bgd bgg bgn bgw bna bnb bnd bng bnn bnw bwa bwb bwd bwg daa dab dad dag dan daw dba dbb dbd dbg dbn dda ddb ddd ddg ddn ddw dga dgd dgg dgn dgw dna dnb dnd dng dnn dnw dwa dwb dwg dwn dww g-d gaa gab gad gag gan gaw gba gbd gbg gbn gbw gda gdb gdd gdn gdw gga ggb ggd ggg ggn ggw gna gnb gnd gnn gnw gwa gwb gwd gwg gwn naa nab nad nag nan naw nba nbb nbd nbg nbn nbw nda ndb ndd ndg ndn nga ngb ngd ngg ngn ngw nna nnb nng nnn nnw nwa nwb nwd nwn waa wab wad wag wan waw wba wbb wbd wbg wbn wbw wda wdb wdg wga wgb wgn wgw wn- wna wnd wng wnn wnw wwa wwd wwn www