a-a a-b a-c aaa aab aac aad aag aah aan aay ab- aba abb abc abd abg abh abn aby ac- aca acb acc acd acg ach acn acy ad- ada adb adc add adg adh adn ady ag- aga agb agc agd agg agh agn agy aha ahb ahc ahd ahg ahh ahn ahy an- ana anb anc and ang anh ann any ay- aya ayc ayd ayh ayn baa bab bac bad bag bah ban bay bba bbb bbc bbd bbg bbh bbn bby bca bcb bcc bcd bcg bch bcn bcy bda bdb bdc bdd bdg bdh bdy bga bgb bgc bgd bgg bgh bgn bha bhb bhc bhd bhg bhh bna bnb bnc bnd bng bnn by- bya byc byd byg byh byn c-- caa cab cac cad cag cah can cay cba cbb cbc cbd cbg cbh cbn cby cca ccb ccc ccd ccg cch ccn cda cdb cdc cdd cdg cdh cdn cdy cga cgb cgc cgd cgg cgh cgn cgy ch- cha chb chc chd chg chh chn chy cn- cna cnb cnc cnd cng cnh cnn cny cya cyb cyc cyd cyg cyn daa dab dac dad dag dah dan day dba dbb dbc dbd dbg dbh dbn dby dca dcb dcc dcd dcg dcn dda ddb ddc ddd ddg ddh ddn ddy dga dgc dgd dgg dgh dgn dh- dha dhb dhc dhd dhh dna dnb dnc dnd dng dnh dnn dny dy- dya dyb dyc dyd dyn dyy g-d gaa gab gac gad gag gah gan gay gba gbc gbd gbg gbh gbn gby gca gcb gcc gcd gcg gch gcn gda gdb gdc gdd gdh gdn gga ggb ggc ggd ggg ggh ggn gha ghb ghc ghd ghg ghh ghn gna gnb gnc gnd gnn gy- gya gyb gyd gyn haa hab hac had hag hah han hay hba hbb hbc hbd hbg hbh hbn hby hca hcb hcc hcd hcg hch hcn hcy hda hdb hdc hdd hdg hdh hdn hdy hga hgb hgc hgg hgh hgn hgy hha hhb hhc hhd hhg hhh hhn hhy hna hnb hnc hnd hng hnh hnn hny hy- hya hyb hyc hyd hyg hyh hyn hyy naa nab nac nad nag nah nan nay nba nbb nbc nbd nbg nbn nca ncb ncc ncd ncg nch ncn nda ndb ndc ndd ndg ndh ndn ndy nga ngb ngc ngd ngg ngh ngn nha nhb nhc nhd nhg nhh nhn nhy nna nnb nnc nng nnh nnn nya nyc nyd nyg nyn nyy yaa yab yac yad yag yah yan yay ybc ybg yby yca ycc ycd ych ycy yda ydg ydn ydy yga ygc yha yhc yna ynd yng ynn yny yyb yyc yyg yyy