εγραψα verb - aorist active indicative - first person singular
grapho  graf'-o: to grave, especially to write; figuratively, to describe -- describe, write(-ing, -ten).
υμιν personal pronoun - second person dative plural
humin  hoo-min': to (with or by) you -- ye, you, your(-selves).
εν preposition
en  en: in, at, (up-)on, by, etc.
τη definite article - dative singular feminine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
επιστολη noun - dative singular feminine
epistole  ep-is-tol-ay': a written message -- epistle, letter.
μη particle - nominative
me  may: any but (that), forbear, God forbid, lack, lest, neither, never, no (wise in), none, nor, (can-)not, nothing, that not, un(-taken), without.
συναναμιγνυσθαι verb - present middle middle or passive deponent
sunanamignumi  soon-an-am-ig'-noo-mee: to mix up together, i.e. (figurative) associate with -- (have, keep) company (with).
πορνοις noun - dative plural masculine
pornos  por'-nos: a (male) prostitute (as venal), i.e. (by analogy) a debauchee (libertine) -- fornicator, whoremonger.