ει conditional
ei  i: if, whether, that, etc. -- forasmuch as, if, that, (al-)though, whether.
δε conjunction
de  deh: but, and, etc. -- also, and, but, moreover, now (often unexpressed in English).
και conjunction
kai  kahee: and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
εστιν verb - present indicative - third person singular
esti  es-tee':  he (she or it) is; also (with neuter plural) they are
κεκαλυμμενον verb - perfect passive participle - nominative singular neuter
kalupto  kal-oop'-to: to cover up -- cover, hide.
το definite article - nominative singular neuter
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
ευαγγελιον noun - nominative singular neuter
euaggelion  yoo-ang-ghel'-ee-on: a good message, i.e. the gospel -- gospel.
ημων personal pronoun - first person genitive plural
hemon  hay-mone': of (or from) us -- our (company), us, we.
εν preposition
en  en: in, at, (up-)on, by, etc.
τοις definite article - dative plural masculine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
απολλυμενοις verb - present middle or passive participle - dative plural masculine
apollumi  ap-ol'-loo-mee: to destroy fully (reflexively, to perish, or lose), literally or figuratively -- destroy, die, lose, mar, perish.
εστιν verb - present indicative - third person singular
esti  es-tee':  he (she or it) is; also (with neuter plural) they are
κεκαλυμμενον verb - perfect passive participle - nominative singular neuter
kalupto  kal-oop'-to: to cover up -- cover, hide.