Man pages matching name ab in section 1:

ab.1.en	debian 10 / apache2-utils
ab.1.zh_CN	debian 10 / manpages-zh
ab.1.zh_TW	debian 10 / manpages-zh
ab.1.en	debian 11 / apache2-utils
ab.1.zh_CN	debian 11 / manpages-zh
ab.1.zh_TW	debian 11 / manpages-zh
ab.1.en	debian 12 / apache2-utils
ab.1.tr	debian 12 / manpages-tr
ab.1.zh_CN	debian 12 / manpages-zh
ab.1.zh_TW	debian 12 / manpages-zh