cccc cccs ccnc ccnr ccns ccny ccrc ccrs ccsn ccss cnrc cnrr cnss crcc crcr crns crss cry- cryn crys cscc cscr cscs csny csrc csrs cssr csys cyc- cycc cycs cyn- cyrs cyy- cyyc cyyn nccc nccn nccr nccs ncnc ncrc ncsc ncss ncsy nnnn nnss nrcs nrrc nrsc nscc nscs nsnr nsrc nssc nssr nsss nycc nycy nyny nysc nyss rccc rccs rcnr rcsc rcss rcyc rncs rrrr rscc rscn rscs rscy rsnn rsnr rynn rysy sccc sccs sccy scnr scr- scrc scrn scrs scry scsc scsn scsr scyn sncc snns snrs snsy snys srcc srnn sscc sscs ssns ssrc ssrs sssc ssss sycr syn- sync syns syny syrs syry syss yccc yryn yyyy