一いっ杯ぱい飲のみ屋や

• 居い酒ざか屋や

  居酒屋 is a general term for a Japanese-style pub, often with a wider food menu and a more established feel, while 一杯飲み屋 emphasizes cheapness and casual drinking.

• 立たち飲のみ屋や

  立ち飲み屋 is a standing bar, which is also cheap and casual, but 一杯飲み屋 does not necessarily imply standing; it can have seats.

• 一いっ杯ぱい飲のみ屋や

  Standard kanji spelling using the common character 飲.

• 一いっ杯ぱい呑のみ屋や

  Variant using 呑, an alternative character for drinking, often with a slightly more casual or old-fashioned feel.

Compound of 一杯 (one cup, a drink) + 飲み (drinking) + 屋 (shop). The term straightforwardly describes a place where one can have a drink at a low cost.