They are characteristically combined with various simple factors including place names such as Homuta and Hatsuse, animal names such as a wren, words related to the human body such as gray hair and Mitsuha, simple titles such as waka and take, and old honorific titles such as wake and sukune.
その特徴は、ホムタ・ハツセなどの地名、ササギなどの動物名、シラカ・ミツハなどの人体に関する語、ワカ・タケなどの素朴な称、ワケ・スクネなどの古い尊称などを要素として単純な組み合わせから成っている。