rcsc rcsd rcsl rcss rder rdoc rdos rdso recc recd rece reck recr recs redc redd rede redl redo redr reds reed reek reel rees reke reko reks reld rele rell relo rels reod reol reos rerd rere rero rers rese reso ress rkos rkss rlcs rlds rlee rlls rocc roce rock roco rocs rodd rode rodo rods roed roel roer roes roke rokk roko rokr roks rold role rolk roll rolo rood rook rool roor roos rorc rore rork roro rosc rose roso ross rred rrle rrrr rscc rscs rsdd rsdl rsds rsee rslc rsos rsre rssl s-os sccc scce sccl sccs scdc scds scec scee scel scer sck- sckl scl- sclc sclk scls scok scol scoo scor scr- scrc scre scrs scsc scsd scsl scso scsr sdcc sdco sddc sdds sder sdes sdlc sdls sdrc sdrs sdsc sdsl sdss se-c se-d se-e se-k se-o se-s sec- secc secd sece seck seco secr secs sede sedo seds seec seed seek seel seer sees seke sekk seko seld sele selk sell selo sels seoc seod seok seol serc serd sere serk sero serr sers sesc sese seso sess sked skee skel skeo sker skes skoe skol skor sksd skss slcc slcd slds sled slee sler sles sloc slod sloe sloo slos slrc slre slrs slsc soce sock socl soco socr socs sodd sode sodo sods soec soel soeo soes soke sokk soko sold sole solk soll solo solr sols sood sook sool soor soos sord sore soro sorr sors sose soso soss srcc srde srec sreo sres sros srsd sscc ssce sscs ssdc ssdd ssec ssee sses sslc ssle ssoc ssrc ssrl ssrs sssc ssss