If you lost a "hu" or a "ha" in a speech, it does not make a really big impact, except some hitch in voice quality.
Ọ bụrụ na "hu" ma ọ bụ "ha" furu efu na okwu, ọ gaghị eme ezigbo mmetụta, ọ gwụla ma ọ bụrụ na ị na-atụgharị olu olu.