Add similar corrections for alphabet

Author: adrien-berchet

codespell_lib/data/dictionary.txt

@@ -1489,6 +1489,11 @@ alhapeticaly->alphabetically
 alhapets->alphabets
 alhough->although
 alhpa->alpha
+alhpabet->alphabet
+alhpabetical->alphabetical
+alhpabetically->alphabetically
+alhpabeticaly->alphabetically
+alhpabets->alphabets
 aliagn->align
 aliasas->aliases
 aliase->aliases, alias,