Please provide the missing letters and check words for the following words: 1. Колечко - кольца 2. Скрипач - 3. Малыши - 4. Т. нёк - 5. М. сты 6. К. за- 7. Сл ва - 8. Сл ды- 9. Т. тёрка - 10. С ва - 11. Пл ищадка - 12. Х. лода -

The task is to find the correct check word for each given word to determine the correct spelling of the unstressed vowel.

• 1. Колечко - кольца. The unstressed vowel in 'колечко' is 'о', which is checked by the stressed vowel in 'кольца'.

• 2. Скрипач - скрипка. The unstressed vowel in 'скрипач' is 'и', checked by the stressed vowel in 'скрипка'.

• 3. Малыши - мальчик. The unstressed vowel in 'малыши' is 'а', checked by the stressed vowel in 'мальчик'.

• 4. Т. нёк - пёрышко. The unstressed vowel in 'нёк' is 'ё', checked by the stressed vowel in 'пёрышко'.

• 5. М. сты - мосты. The unstressed vowel in 'сты' is 'о', checked by the stressed vowel in 'мосты'.

• 6. К. за - казак. The unstressed vowel in 'за' is 'а', checked by the stressed vowel in 'казак'.

• 7. Сл ва - слово. The unstressed vowel in 'ва' is 'о', checked by the stressed vowel in 'слово'.

• 8. Сл ды - следы. The unstressed vowel in 'ды' is 'е', checked by the stressed vowel in 'следы'.

• 9. Т. тёрка - тёрн. The unstressed vowel in 'тёрка' is 'ё', checked by the stressed vowel in 'тёрн'.

• 10. С ва - сова. The unstressed vowel in 'ва' is 'о', checked by the stressed vowel in 'сова'.

• 11. Пл ищадка - площадь. The unstressed vowel in 'ищадка' is 'о', checked by the stressed vowel in 'площадь'.

• 12. Х. лода - холод. The unstressed vowel in 'лода' is 'о', checked by the stressed vowel in 'холод'.