▁also ▁the ▁ancest or ▁of ▁the ▁Roman ▁letters ▁' U ', ▁' V ', ▁and ▁' W '); ▁and , ▁with ▁another ▁form , ▁as ▁a ▁con son ant , ▁dig amma , ▁which ▁indicated ▁the ▁pron unci ation ▁, ▁as ▁in ▁Pho en ician . ▁Latin ▁' F ,' ▁despite ▁being ▁pron ounced ▁differently , ▁is ▁ultimately ▁desc ended ▁from ▁dig amma ▁and ▁closely ▁res emb les ▁it ▁in ▁form . ▁ ▁After ▁sound ▁changes ▁elimin ated ▁ ▁from ▁spoken ▁Greek , ▁dig amma ▁was ▁used ▁only ▁as ▁a ▁numer al . ▁However , ▁the ▁Greek ▁alphabet ▁also ▁gave ▁rise ▁to ▁other ▁al ph ab ets , ▁and ▁some ▁of ▁these ▁retained ▁letters ▁desc ended ▁from ▁dig amma . ▁In ▁the ▁E tr us can ▁alphabet , ▁' F ' ▁probably ▁represented ▁, ▁as ▁in ▁Greek , ▁and ▁the ▁E tr usc ans ▁formed ▁the ▁dig raph ▁' F H ' ▁to ▁represent ▁. ▁ ▁( At ▁the ▁time ▁these ▁letters ▁were ▁borrow ed , ▁there ▁was ▁no ▁Greek ▁letter ▁that ▁represented ▁/ f /: ▁the ▁Greek ▁letter ▁ph i ▁' Φ ' ▁then ▁represented ▁an ▁asp ir ated ▁vo ic eless ▁bil ab ial ▁pl os ive ▁, ▁although ▁in ▁Modern ▁Greek ▁it ▁has ▁come ▁to ▁represent ▁. ) ▁When ▁the ▁Rom ans ▁adopted ▁the ▁alphabet , ▁they ▁used ▁' V ' ▁( from ▁Greek ▁u psilon ) ▁not ▁only ▁for ▁the ▁v owel ▁, ▁but ▁also ▁for ▁the ▁corresponding ▁sem iv owel ▁, ▁leaving ▁' F ' ▁available ▁for ▁.