Draw the dependency diagram for the following MIPS code

i1: add r3, r4, r6

i2: sub r5, r3, r2

i3: lw r7, 0( r5 ) // reg[7] memory[ reg[5] + 0 ]

i4: add r5, r5, r8

i5: sw r7, 0( r5 ) // memory[ reg[5] + 0 ] reg[7]