550
Mutations in the diastrophic dysplasia sulfate transporter gene DTDST have been associated with a family of chondrodysplasias that comprises , in order of increasing severity , diastrophic dysplasia ( DTD ) , atelosteogenesis type 2 ( AO2 ) , and achondrogenesis type 1B ( ACG1B ) .
 Disease: diastrophic dysplasia; Disease: chondrodysplasias; Disease: diastrophic dysplasia; Disease: DTD; Disease: atelosteogenesis type 2; Disease: AO2; Disease: achondrogenesis type 1B; Disease: ACG1B
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: diastrophic dysplasia; Disease: chondrodysplasias; Disease: diastrophic dysplasia; Disease: DTD; Disease: atelosteogenesis type 2; Disease: AO2; Disease: achondrogenesis type 1B; Disease: ACG1B