NB Irregular in phrases из-под бћку [бћка is also possible] "from under one's side," etc.; с прђвого (лљвого) бћку [бћка is also possible] "on one's right/left," etc.; ворћчаться "to toss and turn" (перевђливаться "to waddle" и т.п.) с бћку нђ бок; бћк ћ бок (in the sense of "right alongside, tight against"); пћд боком [под бћком is also possible] (in the sense of "near"); стоїть рџки в бћки "to stand with one's hands on one's hips."