wet-pipe system

space

U+0020

hyphen-minus

U+002D

latin small letter e

U+0065

latin small letter i

U+0069

latin small letter m

U+006D

latin small letter p

U+0070

latin small letter s

U+0073

latin small letter t

U+0074

latin small letter w

U+0077

latin small letter y

U+0079