#Format:
#index name::index key::regular expression pattern

#blank lines and lines starting with a '#' like this one are ignored

all words::stats.mastered::^0$

#words starting with a particular alphabet
words starting with a::word::^a
words starting with b::word::^b
words starting with c::word::^c
words starting with d::word::^d
words starting with e::word::^e
words starting with f::word::^f
words starting with g::word::^g
words starting with h::word::^h
words starting with i::word::^i
words starting with j::word::^j
words starting with k::word::^k
words starting with l::word::^l
words starting with m::word::^m
words starting with n::word::^n
words starting with o::word::^o
words starting with p::word::^p
words starting with q::word::^q
words starting with r::word::^r
words starting with s::word::^s
words starting with t::word::^t
words starting with u::word::^u
words starting with v::word::^v
words starting with w::word::^w
words starting with x::word::^x
words starting with y::word::^y
words starting with z::word::^z
