εγω personal pronoun - first person nominative singular
ego  eg-o': I, me.
μεν particle
men  men: indicative of affirmation or concession (in fact); usually followed by a contrasted clause (this one, the former, etc.)
εβαπτισα verb - aorist active indicative - first person singular
baptizo  bap-tid'-zo: to immerse, submerge; to make whelmed (i.e. fully wet); used only (in the New Testament) of ceremonial ablution
υμας personal pronoun - second person accusative plural
humas  hoo-mas': you (as the objective of a verb or preposition) -- ye, you (+ -ward), your (+ own).
εν preposition
en  en: in, at, (up-)on, by, etc.
υδατι noun - dative singular neuter
hudor  hoo'-dore:  water (as if rainy) literally or figuratively -- water.
αυτος personal pronoun - nominative singular masculine
autos  ow-tos': the reflexive pronoun self, used of the third person , and (with the proper personal pronoun) of the other persons
δε conjunction
de  deh: but, and, etc. -- also, and, but, moreover, now (often unexpressed in English).
βαπτισει verb - future active indicative - third person singular
baptizo  bap-tid'-zo: to immerse, submerge; to make whelmed (i.e. fully wet); used only (in the New Testament) of ceremonial ablution
υμας personal pronoun - second person accusative plural
humas  hoo-mas': you (as the objective of a verb or preposition) -- ye, you (+ -ward), your (+ own).
εν preposition
en  en: in, at, (up-)on, by, etc.
πνευματι noun - dative singular neuter
pneuma  pnyoo'-mah: ghost, life, spirit(-ual, -ually), mind.
αγιω adjective - dative singular neuter
hagios  hag'-ee-os: sacred (physically, pure, morally blameless or religious, ceremonially, consecrated) -- (most) holy (one, thing), saint.