α relative pronoun - accusative plural neuter
hos  hos: the relatively (sometimes demonstrative) pronoun, who, which, what, that -- one, (an-, the) other, some, that, what, which, who(-m, -se), etc.
δε conjunction
de  deh: but, and, etc. -- also, and, but, moreover, now (often unexpressed in English).
υμιν personal pronoun - second person dative plural
humin  hoo-min': to (with or by) you -- ye, you, your(-selves).
λεγω verb - present active indicative - first person singular
lego  leg'-o: ask, bid, boast, call, describe, give out, name, put forth, say(-ing, on), shew, speak, tell, utter.
πασιν adjective - dative plural masculine
pas  pas: apparently a primary word; all, any, every, the whole
λεγω verb - present active indicative - first person singular
lego  leg'-o: ask, bid, boast, call, describe, give out, name, put forth, say(-ing, on), shew, speak, tell, utter.
γρηγορειτε verb - present active middle - second person
gregoreuo  gray-gor-yoo'-o: to keep awake, i.e. watch -- be vigilant, wake, (be) watch(-ful).