Lets's try with Quine-McCluskey method.
$\\ \underline{0|}\\ 2|\\ \underline{8|}\\ 3|\\ 5|\\ 9|\\ 10|\\ \underline{12|}\\ 7|\\ 11|\\ \underline{14|}$ $\\ 0,2(2)|\\ \underline{0,8(8)|}\\ 2,3(1)|\\ 2,10(8)|\\ 8,9(1)|\\ 8,10(2)|\\ \underline{8,12(4)|}\\ 3,7(4)|\times\\ 3,11(8)|\\ 5,7(2)|\times\\ 9,11(2)|\\ 10,11(1)|\\ 10,14(4)|\\ 12,14(2)|\\$ $\\ \underline{0,2,8,10(2,8)|}\times\\ 2,3,10,11(1,8)|\times\\ 8,9,10,11(1,2)|\times\\ 8,10,12,14(2,4)|\times\\$
$6\ Prime\ Implicants.$
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$0$ |
$2$ |
$5$ |
$7$ |
$9$ |
$11$ |
$3,7(4)$ |
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$\times$ |
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$5,7(2)$ |
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$\times$ |
$\times$ |
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$0,2,8,10(2,8)$ |
$\times$ |
$\times$ |
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$2,3,10,11(1,8)$ |
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$\times$ |
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$\times$ |
$8,9,10,11(1,2)$ |
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$\times$ |
$\times$ |
$8,10,12,14(2,4)$ |
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$3\ EPI$
$5,7(2):A'BD+0,2,8,10(2,8):B'D'+8,9,10,11(1,2):AB'$
Reference: M. Morris Mano