Pronouns can attach to the end of a word: -hu (his, him), -kum (your, you), -nā (our, us).
Kitābuhu means "his book"; ihdinā means "guide us".
ih'dināGuide usanʿamtaYou have bestowed (Your) Favorsʿalayhimon themʿanhuhimmāluhuhis wealthwa-im'ra-atuhuAnd his wife