S1I1X8T1E1E1N1M3O1S1
19 points
SIXTEENMOS is validvalid
SIXTEENMO, [n]
SIXTEENMO, a book size 5 5/8 in. x 4 3/8 in. (abbreviated as 16mo.), also SEXTODECIMO [n]
SIXTEENMO, [n]
SIXTEENMO, a book size 5 5/8 in. x 4 3/8 in. (abbreviated as 16mo.), also SEXTODECIMO [n]