<Table> Archaic Latin alphabet <Tr> <Th> As Old Italic </Th> <Th> 𐌀 </Th> <Th> 𐌁 </Th> <Th> 𐌂 </Th> <Th> 𐌃 </Th> <Th> 𐌄 </Th> <Th> 𐌅 </Th> <Th> 𐌆 </Th> <Th> 𐌇 </Th> <Th> 𐌉 </Th> <Th> 𐌊 </Th> <Th> 𐌋 </Th> <Th> 𐌌 </Th> <Th> 𐌍 </Th> <Th> 𐌏 </Th> <Th> 𐌐 </Th> <Th> 𐌒 </Th> <Th> 𐌓 </Th> <Th> 𐌔 </Th> <Th> 𐌕 </Th> <Th> 𐌖 </Th> <Th> 𐌗 </Th> </Tr> <Tr> <Th> As Latin </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> Z </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> O </Th> <Th> </Th> <Th> Q </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> V </Th> <Th> X </Th> </Tr> </Table> <Tr> <Th> As Old Italic </Th> <Th> 𐌀 </Th> <Th> 𐌁 </Th> <Th> 𐌂 </Th> <Th> 𐌃 </Th> <Th> 𐌄 </Th> <Th> 𐌅 </Th> <Th> 𐌆 </Th> <Th> 𐌇 </Th> <Th> 𐌉 </Th> <Th> 𐌊 </Th> <Th> 𐌋 </Th> <Th> 𐌌 </Th> <Th> 𐌍 </Th> <Th> 𐌏 </Th> <Th> 𐌐 </Th> <Th> 𐌒 </Th> <Th> 𐌓 </Th> <Th> 𐌔 </Th> <Th> 𐌕 </Th> <Th> 𐌖 </Th> <Th> 𐌗 </Th> </Tr> <Tr> <Th> As Latin </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> Z </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> O </Th> <Th> </Th> <Th> Q </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> V </Th> <Th> X </Th> </Tr> <P> Latin included 22 different characters . The letter ⟨ C ⟩ was the western form of the Greek gamma, but it was used for the sounds / ɡ / and / k / alike, possibly under the influence of Etruscan, which might have lacked any voiced plosives . Later, probably during the 3rd century BC, the letter ⟨ Z ⟩--unneeded to write Latin properly--was replaced with the new letter ⟨ G ⟩, a ⟨ C ⟩ modified with a small vertical stroke, which took its place in the alphabet . From then on, ⟨ G ⟩ represented the voiced plosive / ɡ /, while ⟨ C ⟩ was generally reserved for the voiceless plosive / k / . The letter ⟨ K ⟩ was used only rarely, in a small number of words such as Kalendae, often interchangeably with ⟨ C ⟩ . </P>

Which 21 characters from the roman alphabet are originally from the greek alphabet
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