Numbers 9:2-7

Webster_Strongs(i)
  2 H1121 Let the children H3478 of Israel H6213 [H8799] also keep H6453 the passover H4150 at its appointed season.
  3 H702 H6240 In the fourteenth H3117 day H2320 of this month H6153 , at evening H6213 [H8799] , ye shall keep H4150 it in its appointed season H2708 : according to all its rites H4941 , and according to all its ceremonies H6213 [H8799] , shall ye keep it.
  4 H4872 And Moses H1696 [H8762] spoke H1121 to the children H3478 of Israel H6213 [H8800] , that they should keep H6453 the passover.
  5 H6213 [H8799] And they kept H6453 the passover H702 H6240 on the fourteenth H3117 day H7223 of the first H2320 month H6153 at evening H4057 in the wilderness H5514 of Sinai H3068 : according to all that the LORD H6680 [H8765] commanded H4872 Moses H6213 [H8804] , so did H1121 the children H3478 of Israel.
  6 H582 And there were certain men H2931 , who were defiled H5315 by the dead body H120 of a man H3201 [H8804] , that they could H6213 [H8800] not keep H6453 the passover H3117 on that day H7126 [H8799] : and they came H6440 before H4872 Moses H6440 and before H175 Aaron H3117 on that day:
  7 H1992 And those H582 men H559 [H8799] said H2931 to him, We are defiled H5315 by the dead body H120 of a man H1639 [H8735] : why are we kept back H7126 [H8687] , that we may not offer H7133 an offering H3068 of the LORD H4150 in its appointed season H8432 among H1121 the children H3478 of Israel?