/ʋǐːjak/
Formsvíjak(canonical, inanimate, masculine) · ви́јак(Cyrillic) · víjak(nominative, singular) · vijci(nominative, plural) · vijka(genitive, singular) · vȋjākā(genitive, plural) · vijku(dative, singular) · vijcima(dative, plural) · vijak(accusative, singular) · vijke(accusative, plural) · vijče(singular, vocative) · vijci(plural, vocative) · vijku(locative, singular) · vijcima(locative, plural) · vijkom(instrumental, singular) · vijcima(instrumental, plural)
Source: Wiktionary — CC BY-SA 4.0