改変メモ
text <- sentenceCluster*
sentenceCluster <- sentence (conjunction sentence)?
sentence <- (interjection)* verb (noun)*
verb <- (i word? o / O-ma'ovla)? value (interjection)*
noun <-(i word? a / A-ma'ovla) value (interjection)*
value <- word (conjunction word)? sentence?
conjunction <- i word? u / U-ma'ovla
interjection <- (i word? e / E-ma'ovla) valueCluster
word <- cmevla / brivla (ei cmevla)* / oi free oin
