diff --git a/Cargo.toml b/Cargo.toml
index aba7d6d..fd3aaad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mystem"
-version = "0.2.1"
+version = "0.2.2"
 authors = ["AB <ab@hexor.ru>"]
 license = "WTFPL"
 edition = "2018"
diff --git a/examples/test.rs b/examples/test.rs
index 1b6ed1a..b7b8bb0 100644
--- a/examples/test.rs
+++ b/examples/test.rs
@@ -23,11 +23,10 @@ fn main() -> Result<(), mystem::AppError> {
                 }
             },
             {
-                match stem.lex.len()
-                {
-                    0|1 => "".to_string(),
+                match stem.lex.len() {
+                    0 | 1 => "".to_string(),
                     x if x > 1 => format!(" Also has {} found lexems.", x),
-                    _ => unreachable!()
+                    _ => unreachable!(),
                 }
             }
         )
diff --git a/src/grammems.rs b/src/grammems.rs
index 9192373..c781194 100644
--- a/src/grammems.rs
+++ b/src/grammems.rs
@@ -10,10 +10,10 @@ use crate::Other::{
     Parenthesis, Patronymic, Predicative, ProperNoun, Rare,
 };
 use crate::PerfectiveAspect::{Imperfective, Perfective};
+use crate::Person::{First, Second, Third};
 use crate::Plurality::{Plural, Singular};
 use crate::Tense::{Inpresent, Past, Present};
 use crate::Transitivity::{Intransitive, Transitive};
-use crate::Person::{First, Second, Third};
 use crate::Voice::{Active, Passive};
 use std::fmt;
 use std::str::FromStr;
diff --git a/src/lib.rs b/src/lib.rs
index 3b8b518..705aefc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -108,14 +108,21 @@ impl MyStem {
             );
             self.process = MyStem::open_process()?;
         }
-        let clean_text = format!("{}{}", text.trim(), "\n");
+        let mut clean_text = text.trim().to_string();
+        for c in clean_text.clone().chars() {
+            if !char::is_alphabetic(c) && c != ' ' {
+                clean_text = clean_text.replace(c, "");
+            }
+        }
         self.process
             .stdin
             .as_ref()
             .unwrap()
             .write(clean_text.as_bytes());
+        self.process.stdin.as_ref().unwrap().write("\n".as_bytes());
         let mut contents = String::new();
-        let mut buf_reader = BufReader::new(self.process.stdout.as_ref().unwrap());
+        let mut buf_reader =
+            BufReader::with_capacity(512 * 1024, self.process.stdout.as_ref().unwrap());
         buf_reader.read_line(&mut contents);
 
         let mut stemmings: Vec<Stemming> = Vec::new();