Use each_with_object instead of reduce (removes the '; h' at the end).
Use each_with_object instead of reduce (removes the '; h' at the end).

euank/moebooru-thin,moebooru/moebooru,moebooru/moebooru,moebooru/moebooru,euank/moebooru-thin,euank/moebooru-thin,euank/moebooru-thin,nanaya/moebooru,nanaya/moebooru,nanaya/moebooru,moebooru/moebooru,moebooru/moebooru,nanaya/moebooru,nanaya/moebooru,euank/moebooru-thin