Educated guess at the Spark personality types

Activist (decf)

Politician (deat)

Performer (deaf)

Judge (dict)

Prober (dicf)

Experimenter (diat)

Artist (diaf)

Administrator (sect)

Healer (secf)

Mentor (seat)

Guru (seaf)

Accountant (sict)

H.W.F.M.C.O.T.I. (sicf)

Mastermind (siat)

Dreamer (siaf)