a-a a-b a-c aaa aab aac aag aah aaj aau ab- aba abb abc abg abh abj abu ac- aca acb acc acg ach acj acu ag- aga agb agc agg agh agj agu aha ahb ahc ahg ahh ahj ahu aja ajb ajc ajh ajj aju au- aua aub auc aug auh auj b-u baa bab bac bag bah baj bau bba bbb bbc bbg bbh bbu bca bcb bcc bcg bch bcj bcu bga bgb bgc bgg bgh bgu bha bhb bhc bhg bhh bhj bhu bja bjc bjg bjj bju bua bub buc bug buh buj buu c-- c-j caa cab cac cag cah caj cau cba cbb cbc cbg cbh cbj cbu cca ccb ccc ccg cch ccj ccu cga cgb cgc cgg cgh cgu ch- cha chb chc chg chh chu cja cjb cjc cjg cua cub cuc cug cuh cuu gaa gab gac gag gah gaj gau gba gbc gbg gbh gbj gbu gca gcb gcc gcg gch gcu gga ggb ggc ggg ggh ggj ggu gha ghb ghc ghg ghh ghj gja gjc gjg gu- gua gub guc gug guj guu haa hab hac hag hah haj hau hba hbb hbc hbg hbh hbj hbu hca hcb hcc hcg hch hcj hga hgb hgc hgg hgh hgu hha hhb hhc hhg hhh hhj hhu hja hua hub huc hug huh huj huu jaa jab jac jag jah jaj jau jba jbc jbg jbj jbu jca jcb jcc jch jcu jga jgb jgh jgu jha jhc jhj jhu jja jjb jjc jjg jjj jju jub jug juh ua- uaa uab uac uag uah uaj uau uba ubb ubc ubg ubh ubu uca ucb ucc ucg uch ucj ucu uga ugb ugc ugg ugh ugu uha uhb uhc uhh uhj uhu ujc uua uuc uug uuu