Now for His office is near his house. If "his" doesn't refer to the subject of the sentence, then you must use eys, IPA ejs. Office is bureau in Sambahsa. u is normally pronounced u, except when one of the two following letters in the same word is e; then, it must be pronounced IPA y (a sound halfway between i and u). The three letters eau constitute asingle sound o:, a long o which bears the stress. Therefore bureau is pronounced as in French : by'ro:. Near is prokwem, IPA 'prokwəm, and house is simply dom, dom, as, for example, in Russian.
?His office is near his house.|Eys bureau est prokwem eys dom.|3