Please, thank you, and the basics of being polite.

• Моляmolyaplease (also used for 'you're welcome' and 'pardon?')
• Благодаряblagodaryathank you
• Няма защоnyama zashtoyou're welcome (lit. 'no reason to thank')
• Извинетеizvineteexcuse me (formal/polite); informal: Извинявай
• Съжалявамsazhalyavamsorry
• Даdayes
• Неneno
• Може биmozhe bimaybe
• Разбира сеrazbira seof course
• Няма проблемnyama problemno problem
• Честитоchestitocongratulations
• Наздравеnazdravecheers (also said when someone sneezes)