<pre>Array
(
[0] => hello
[1] => hello everybody
[2] => hello everybody at
[3] => hello everybody at here
[4] => hello everybody here
[5] => hello everybody here at
[6] => hello at
[7] => hello at everybody
[8] => hello at everybody here
[9] => hello at here
[10] => hello at here everybody
[11] => hello here
[12] => hello here everybody
[13] => hello here everybody at
[14] => hello here at
[15] => hello here at everybody
[16] => everybody
[17] => everybody hello
[18] => everybody hello at
[19] => everybody hello at here
[20] => everybody hello here
[21] => everybody hello here at
[22] => everybody at
[23] => everybody at hello
[24] => everybody at hello here
[25] => everybody at here
[26] => everybody at here hello
[27] => everybody here
[28] => everybody here hello
[29] => everybody here hello at
[30] => everybody here at
[31] => everybody here at hello
[32] => at
[33] => at hello
[34] => at hello everybody
[35] => at hello everybody here
[36] => at hello here
[37] => at hello here everybody
[38] => at everybody
[39] => at everybody hello
[40] => at everybody hello here
[41] => at everybody here
[42] => at everybody here hello
[43] => at here
[44] => at here hello
[45] => at here hello everybody
[46] => at here everybody
[47] => at here everybody hello
[48] => here
[49] => here hello
[50] => here hello everybody
[51] => here hello everybody at
[52] => here hello at
[53] => here hello at everybody
[54] => here everybody
[55] => here everybody hello
[56] => here everybody hello at
[57] => here everybody at
[58] => here everybody at hello
[59] => here at
[60] => here at hello
[61] => here at hello everybody
[62] => here at everybody
[63] => here at everybody hello
)