Early Cyrillic alphabet Bulgarian Empire in order to write the Old Church Slavonic language. The modern Cyrillic script is still used primarily for some Slavic languages and for East European and Asian languages that were under Russian cultural influence during the 20th century. Among some of the traditionally culturally influential countries using it are Bulgaria, Serbia, Russia, Ukraine. The earliest form of manuscript Cyrillic, known as "ustav," was based on Greek uncial script, augmented by ligatures and by letters from the Glagolitic alphabet for consonants not found in Greek. The Glagolitic alphabet was created by the monk Saint Cyril, possibly with the aid
Latin-script alphabet respective alphabet sequences. In some languages, digraphs are included in the collation sequence (e.g. Hungarian CS, Welsh RH). The International Phonetic Alphabet is also derived mainly from the Latin script. Coverage of the letters of the ISO basic Latin alphabet can be and additional letters can be Most alphabets have the letters of the ISO basic Latin alphabet in the same order as that alphabet. Some alphabets regard digraphs as distinct letters, e.g. the old Spanish alphabet had CH and LL sorted apart from C and L. Some Spanish dictionaries still list "ll" separately. Some alphabets sort letters that have