czy

• Particle

  interrogative particle: introduces a yes-no question, often omitted; whether

• Conj

są

third-person plural indicative of być

dla

1. for (intended to belong to)
2. for, in aid of (intended to benefit, cure, support, etc.)
3. for (in return for)
4. to
5. (colloquial) for the sake of
6. for (according to, in the opinion of)

mnie

• Pron

  genitive/dative/accusative/locative of ja

• Verb

listy

nominative/accusative/vocative plural of list

grzecznie

politely