When do you spell with a double or single letter? Flossy words end in ff, ll, ss. ► Subscribe: http://bit.ly/2b6maxS ► Visit our website: www.nessy.com ► 'Like' our Facebook page - http://facebook.com/Nessy.Learning ► Follow us on Twitter! - http://twitter.com/NessyLearning ► Follow us on Pinterest - https://uk.pinterest.com/nessylearning/ ► Follow us on LinkedIn - https://www.linkedin.com/company/nessy-learning Features in the Nessy Reading & Spelling program. Nessy creates fun, multisensory software for children with dyslexia. Go to http://www.nessy.com to find out more.