Here is their list of the 23 most conserved words, from supplementary data table one of the article: ashes bark black fire hand I man mother not old that this

Here is their list of the 23 most conserved words, from supplementary data table one of the article: ashes bark black fire hand I man mother not old that this thou to flow to give to hear to pull to spit we what who worm we [1] http://pnas.org/content/110/21/8471.full http://pnas.org/content/110/21/8471.full