=VLOOKUP(B2,{{0; SORT(UNIQUE(TRANSPOSE(SPLIT(TRIM(QUERY(TRANSPOSE(QUERY(
TRANSPOSE(E3:AF22),,999^99)),,999^99)), " "))))},
{MIN(E3:AF22); QUERY(SORT(UNIQUE(TRANSPOSE(SPLIT(TRIM(QUERY(TRANSPOSE(QUERY(
TRANSPOSE(E3:AF22),,999^99)),,999^99)), " ")))), "offset 1", 0); ""}}, 2, 1)