You can upload image files that include only words (no pictures). Please do a Google search for "text to image". Here's one helpful article:

https://www.pcworld.com/article/2046324/convert-text-to-image-and-image-to-text.html

Here's one example of an album that uses only word images:

https://my.playosmo.com/words/album/1jrbnqq3xts

You can find other similar albums at this link:

https://my.playosmo.com/words/browse

Please see our PDF guide for more help with custom albums:

https://www.playosmo.com/static/downloads/GettingStartedWithOsmoWords.pdf