wooden [Adjective] + staircase [Noun]

Strength Strength Dispersion
A:
23
CHISQ:
694.17
AWT:
9,717,142
TTEST:
4.65
G2:
122.59
FAWT:
5.59
MI:
5.01
LOGLOG:
22.64
JD:
0.74
MI3:
14.05
DICE:
1.05
RANGE: