double-beat valve

space

U+0020

hyphen-minus

U+002D

latin small letter a

U+0061

latin small letter b

U+0062

latin small letter d

U+0064

latin small letter e

U+0065

latin small letter l

U+006C

latin small letter o

U+006F

latin small letter t

U+0074

latin small letter u

U+0075

latin small letter v

U+0076