Cookie-bite hearing loss is indicated when an audiogram results are shaped like a bell or the letter “U” and indicates mid-range frequency hearing loss. It is a type of sensorineural hearing loss caused by damage to the inner ear or nerve that transmits auditory information to the brain.

The 'speech banana' diagram at the link below shows where typical sounds fall on an audiogram. An individual's tests will show the types of sounds that are missing with a particular audiogram. The most common audiograms are sloping from the left to the right. Most people lose the higher frequency sounds but are able to hear the lower sounds, thus men's voices are easier to understand than women's and children's. The sounds that exist within 'the speech banana' are the consonant sounds that clarify speech understanding.
https://ohns.ucsf.edu/audiology/education/peds
Do you have a copy of your audiogram?