Your search for "HOS-" revealed the following:

Opening Monument: Echo Model Unpainted Kit HO (1:80) 139

Signboard with LED, Drive-in Theatre JP5794 : Woodland, Pre-painted, HO (1:87) Just Plug compatible

Circus Tent Worker and Tractor Driver : Preiser - Painted HO(1:87) 20264

Passerby : Preiser - Finished product HO(1:87) 10116

Railway Postman : Preiser - Finished product HO (1:87) 10372

Tin corrugated sheet "row" : Baioudou HO (1:83) unpainted kit AC-044-83U

9 pots of potted flowers : Noch painted complete set HO(1:87) 14012

Politician Helmut Kohl: Preiser painted HO (1:87) 28174

Cavalryman : Preiser - Painted Finish HO(1:87) 10392

26 Passengers on a Bus : Preiser - Finished product HO(1:87) 14404

Half-Window 12type 8.75 x 12mm 4sets (4pcs) : Classic Story Unpainted Kit HO(1:87) PAS-0002-12

60 bags: Prizer kit HO (1:87) 17102

People on the Stairs : Woodland Pre-painted HO(1:87) 1954

Penguin Material G (small size 2) : YSK Unpainted kit HO (1:87) Part No. 407

Shop on the street - 6 : Sankei Kit HO(1:80) MK05-32

Desk, chair and accessories set (steel): ECHO MODEL unpainted kit HO(1:80) 404

1 Room Door 15type 19 x 20.5mm 2sets (4pcs) : Classic Story Unpainted Kit HO (1:87) PAS-0005-15

Furniture set with a mother changing her baby's nappy : Preiser Painted Complete HO(1:87) 10645

2 village houses with bakery: Farrar unpainted kit HO(1:87) 130495

Signboard Architecture of 3 Houses in a Row C : Baioudou HO (1:80) Unpainted Kit ST-005-80U