How to find first unique word in dataset and then populate a list

I cannot figure out how to search through the list (in Column D), under Plan Name to find the unique name and then populate a list under B2 (where the result box is).

What is the best way to accomplish this?

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Lot Home Design Title Look Plan Name
0128 Daffodil AA Color 6 Loft White/White, FP, RIP LOFT DAFFODIL AAF ASP V
0126 Daffodil BA color 2 Elements Dark ELEMENTS DAFFODIL BAF ASP V
0133 Daffodil BG Color 2 Farmhouse 3 white with Grey, sink, NO RIP FARMHOUSE DAFFODIL BGF ASP V
0115 Farmhouse #2 white, sink, walkout, exterior #9 driftwood and greystone FARMHOUSE DAFFODIL CKF ASP V
0127 Daffodil DA Color 5 Loft 3 LOFT DAFFODIL DAF ASP V
0117 Forsythia CA Color 5 greystone stone, Farmhouse White/White, W/O, FB FARMHOUSE DAFFODIL BAF SPEC V
0123 Forsythia CA color Rye 7 stone, Elements Dark, w/o, RIP, sheet vinyl ELEMENTS FORSYTHIA CAF SPEC V
0091 Forsythia, Loft, Grey, lookout basement, w/d LOFT FORSYTHIA DAF SPEC V
0124 Forsythia DA white with greystone, color 1 Farmhouse 3, walkout, rip FARMHOUSE FORSYTHIA DAF SPEC V
0122 Oleander BG Color 4 Cypress with Rye shake, Farmhouse White/White, RIP, walk out, sink, fireplace FARMHOUSE OLEANDER BGF ASP V
0125 Oleander CA color 11 Elements 1 ELEMENTS OLEANDER CAF SPEC V
0114 Eelements 2 dark, walkout, sink, rip, exterior #4 cypress with white ELEMENTS OLEANDER CGF ASP V
0132 Oleander CG Color 9 driftwood/greystone, elements 1 White, Finished basement ELEMENTS OLEANDER CGF ASP V
0121 Water Lily BA Color 17 Farmhouse 2 White/Grey FARMHOUSE WATER LILY BAF ASP V