아래 이미지 참고하세요

=LET(xKeys,B5:B11, xUniqs,UNIQUE(xKeys), xVals,C5:D11,

DROP(HSTACK(VSTACK("",xUniqs), IFNA(REDUCE("",xUniqs,LAMBDA(xAcc,iuniq,

VSTACK(xAcc,TEXTJOIN(" / ",1,IF(xKeys=iuniq,INDEX(xVals,,1)&" - "&INDEX(xVals,,2)&"P",""))))),"")),1))