1) Agos 1) Backgrounds 2) Bygones 3) Checkered times of old 4) Former lives 5) Former times 6) Histories 7) Personal histories 8) Some are checkered 9) Some have been checkered 10) Some tenses 11) These can be checkered 12) They may be checkered 13) They may be sordid 14) They might be checkered 15) Yesteryears