-ic a-a a-b a-c a-i a-z aaa aab aac aag aai aau aaz ab- aba abb abc abg abi abu abz ac- aca acb acc acg aci acu acz ag- aga agb agc agg agi agu agz ai- aia aib aic aig aii aiu aiz au- aua aub auc aug aui auz az- aza azb azg azi azu azz b-u baa bab bac bag bai bau baz bba bbb bbc bbg bbi bbu bca bcb bcc bcg bci bcu bcz bga bgb bgc bgg bgi bgu bgz bi- bia bib bic big bii biu biz bua bub buc bug bui buu buz bza bzu bzz c-- caa cab cac cag cai cau caz cba cbb cbc cbg cbi cbu cbz cca ccb ccc ccg cci ccu ccz cga cgb cgc cgg cgi cgu ci- cia cib cic cig cii ciu cua cub cuc cug cui cuu cuz cz- czc gaa gab gac gag gai gau gaz gba gbc gbg gbi gbu gbz gca gcb gcc gcg gci gcu gga ggb ggc ggg ggi ggu ggz gia gib gic gig gii giu giz gu- gua gub guc gug gui guu guz gza gzu ia- iaa iab iac iag iai iau iaz iba ibb ibc ibg ibi ibu ibz ica icb icc icg ici icu icz iga igb igc igg igi igu iia iib iic iii iiu iu- iua iub iuc iug iui iuz iza izi izu izz ua- uaa uab uac uag uai uau uaz uba ubb ubc ubg ubi ubu uca ucb ucc ucg uci ucu uga ugb ugc ugg ugi ugu uia uib uic uig uii uiu uua uuc uug uuu uza uzb uzi uzu z-g zaa zab zac zag zai zaz zbb zbc zgb zgg zgi zia zib zig ziz zub zuc zug zui zuz zzz