agbc agbd agbe agbf agbg agca agcb agcc agcd agcf agcg agda agdb agdc agdd agde agdf agdg agea ageb agec aged agee agef ageg agfa agfb agfc agfd agfe agff agfg agga aggb aggc aggd agge aggf aggg baaa baab baac baad baae baaf baag babb babc babd babe babf babg bacb bacc bacd bace bacf bacg badb badc badd badg baea baeb baec baed baee baef baeg bafb bafc bafd bafe baff bafg baga bagb bagc bagd bagf bagg bbaa bbab bbac bbad bbae bbaf bbag bbba bbbb bbbc bbbd bbbe bbbg bbca bbcb bbcc bbcd bbce bbcf