8afnf 7afn 6afnf2 5afnf 4afn
jken ikenf2 hkenf gken fkenf2
utdnf2 ttdnf stdn rtdnf2 qtdnf
52cnf 42cn 32cnf2 22cnf 12cn
gccn fccnf2 eccnf dccn cccnf2