$ mkvtree -dna -pl -suf -tis -v -db indexfile.fna -indexname indexname
reading file "indexfile.fna"
for this input size and alphabet size, the maximal prefixlength
(argument of option -pl) is 2,
the recommended prefixlength is 1
total length of sequences: 70
alphabet "aAcCgGtTuUnsywrkvbdhmNSYWRKVBDHM" (size 32) mapped to "acgtn" (size 5)
create file "indexname.tis"
create file "indexname.des"
create file "indexname.sds"
initializing data structures
sorting suffixes according to prefix of length 1
sorting all buckets
create file "indexname.suf"
create file "indexname.prj"
create file "indexname.al1"
overall space peak: main=0.08 MB (1186.49 bytes/symbol), secondary=0.00 MB
