There are a number of free language learning applications, one that is worth mentioning is Bussu. With Bussu you can learn English, Spanish, French, German, Italian, Portuguese, Russian, Turkish, Chinese, Japanese and Arabic.

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern --S-U. That is, five letter words with 3rd letter S and 5th letter U. In alphabetical order, they are:

bussu

lassu

wushu

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern --SSU. That is, five letter words with 3rd letter S and 4th letter S and 5th letter U. In alphabetical order, they are:

bussu

lassu

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern -US-U. That is, five letter words with 2nd letter U and 3rd letter S and 5th letter U. In alphabetical order, they are:

bussu

wushu

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern BU-SU. That is, five letter words with 1st letter B and 2nd letter U and 4th letter S and 5th letter U. In alphabetical order, they are:

bussu