1 double bed or 2 single beds or 1 single bed or 1 double bed and 2 single beds
1 double bed and 1 single bed or 1 double bed & 1 sofa bed
1 double bed and 1 single bed or 1 double bed & 1 sofa bed
1 single bed or 1 double bed and 2 single beds and 1 sofa bed
1 single bed