long ago they taught us in linguistics class, deaf people signing will also say (the equivalent of) "wa wa" to their kids for "water". they also told us that s

long ago they taught us in linguistics class, deaf people signing will also say (the equivalent of) "wa wa" to their kids for "water". they also told us that signed poetry "enjoys" a physical movement sort of rhyming (which is also the oral origin of sonic rhyming anyway, i suppose)