WHereditary multiple exostoses
WHunter syndrome
WHurler syndromeWMucopolysaccharidosis type IWHurler–Scheie syndrome
WMaroteaux–Lamy syndrome
WMorquio syndromeWMucopolysaccharidosis
WSanfilippo syndromeWScheie syndrome
WSly syndrome
WSpondyloepimetaphyseal dysplasia, Pakistani type