a-a a-b a-c a-q aaa aab aac aae aag aah aaq ab- aba abb abc abe abg abh abq ac- aca acb acc ace acg ach acq aea aeb aec aee aeg aeh aeq ag- aga agb agc age agg agh agq aha ahb ahc ahe ahg ahh ahq aqa aqc baa bab bac bae bag bah baq bba bbb bbc bbe bbg bbh bbq bca bcb bcc bce bcg bch bcq be- bea beb bec bee beg beh beq bga bgb bgc bge bgg bgh bha bhb bhc bhe bhg bhh bhq bqc bqe c-- caa cab cac cae cag cah caq cba cbb cbc cbe cbg cbh cbq cca ccb ccc cce ccg cch ce- cea ceb cec cee ceg ceh ceq cga cgb cgc cge cgg cgh ch- cha chb chc che chg chh chq cqa cqb cqc cqg eaa eab eac eae eag eah eba ebb ebc ebe ebg ebh ebq ec- eca ecb ecc ece ecg ech ecq eea eeb eec eee eeg ega egb egc ege egg egh eha ehb ehc ehe ehg ehh eqa eqe eqq gaa gab gac gae gag gah gba gbc gbe gbg gbh gca gcb gcc gce gcg gch ge- gea geb gec gee geg geh gga ggb ggc ggg ggh gha ghb ghc ghe ghg ghh ghq haa hab hac hae hag hah haq hba hbb hbc hbe hbg hbh hca hcb hcc hce hcg hch he- hea heb hec hee heg heh hga hgb hgc hge hgg hgh hha hhb hhc hhe hhg hhh qaa qac qag qah qba qbc qbe qbq qca qcc qec qee qeh qga qgc qhc qqq