Original sentence: Derived from  below.Glagolitic ens Ⱔ.Glagolitic sha Ⱎ.Glagolitic shta Ⱋ.Glagolitic yat Ⱑ.Glagolitic yer Ⱏ.Glagolitic yerj Ⱐ.Glagolitic zhivete Ⰶ.Greek final sigma ς.Greek lunate sigma Ϲ.I-ОУ ligature, dropping У.The first form developed into the second.The first form developed into the second, a vertical ligature.ЪI or ЪИ ligature
Edited sentence: Bulgar Bulgar full schwa.Bulgar ae.Bulgar an.Bulgar dz.Bulgar full schwa.Bulgar i-o ligature; I-ОУ ligature, dropping У.Bulgar s; Greek lunate sigma Ϲ.Bulgar zh.Derived from Bulgar bDobrev, Peter: Universum Protobulgaricum, Band I, Inschriften und Alphabet der Urbulgaren, Sofia, 1995, abridged version in English http://www.Glagolitic sha Ⱎ from Bulgar sh.Glagolitic shta Ⱋ from Bulgar sht.The first form developed into the second, a vertical ligature, probably because of earlier Bulgar Y.The first form developed into the second, probably because of its similarity with the earlier Bulgar z.com/pb_lang/pbl_2_4.ЪI ligature