fill down with in 'jumps'?

[excelNewbie22]

hi!

how can i fill down this formula with jumps of rows? (don't know how phrase it so i called it jumps)
so the next formula will applied on a4:f4
than on a5:f5
and so on...

test
	A	B	C	D	E	F	G	H	I
1
2	1	2	3	4	5	6			1-2-3-4-5
3	3	5	6	7	8	9			1-2-3-4-6
4	11	12	13	14	15	16			1-2-3-5-6
5	14	15	16	17	18	19			1-2-4-5-6
6									1-3-4-5-6
7									2-3-4-5-6
8									3-5-6-7-8
9									3-5-6-7-9
10									3-5-6-8-9
11									3-5-7-8-9
12									3-6-7-8-9
13									5-6-7-8-9
14
15
test

Cell Formulas
Range	Formula
I2:I7	I2	=LET(d,TOROW(A2:F2,1,1),N,5,c,COUNT(d),x,BYROW(IF(MOD(INT(SEQUENCE(2^c,,0)/2^SEQUENCE(,c,0)),2),d,""),LAMBDA(r,IF(COUNT(r)=N,TEXTJOIN("-",,r),""))),FILTER(x,x<>""))
I8:I13	I8	=LET(d,TOROW(A3:F3,1,1),N,5,c,COUNT(d),x,BYROW(IF(MOD(INT(SEQUENCE(2^c,,0)/2^SEQUENCE(,c,0)),2),d,""),LAMBDA(r,IF(COUNT(r)=N,TEXTJOIN("-",,r),""))),FILTER(x,x<>""))
Dynamic array formulas.

 

[excelNewbie22]

found an alternative solution, adding a transpose to the formula, then fill down, and then joining all to one column
thanks any way!