// author: Matje van de Camp
// email:  m.m.v.d.camp@tilburguniversity.edu
// date:   2011-09-15
// This file contains regular expression patterns for number words 10 to 20.
// FORMAT: one line is one disjunction of the pattern
tien
elf
twaalf
dertien
veertien
vijftien
zestien
zeventien
achttien
negentien
twintig