c3slb4 d3sl e3slb f3slb4 g3sl
1ttl 2ttlb 3ttlb4 4ttl 5ttlb
qkulb rkulb4 skul tkulb ukulb4
fbvlb4 gbvl hbvlb ibvlb4 jbvl
41vl 51vlb 61vlb4 71vl 81vlb