fun formatFurigana(textJp: String, textFurigana: String) {
    val kanaChars = "あアかカさサたタなナはハまマやヤらラわワいイきキしシちチにニひヒみミりリゐヰうウくクすスつツぬヌふフむムゆユ" +
        "るルえエけケせセてテねネへヘめメれレゑヱおオこコそソとトのノほホもモよヨろロをヲんンがガざザだダばバぱ" +
        "パか゚カ゚ぎギじジぢヂびビぴピき゚キ゚ぐグずズづヅぶブぷプく゚ク゚げゲぜゼでデべベぺペけ゚ケ゚ごゴぞゾどドぼボぽポこ゚コ゚"
    //<ruby>展望台<rt>てんぼうだい</rt></ruby>が<ruby>新<rt>あたら</rt></ruby>
}

@Entity
class WordGroup(
    @PrimaryKey(autoGenerated = true)
    val id: Int,
    val name: String,
    val sorType: SortType = SortType.DEFAULT,
    val isCreatedByUser: Boolean = false
)

@Entity
class WordInGroup(
)