cccc cccf cccs ccfc ccff ccnc ccnf ccnr ccns ccoc ccrc ccrf ccrs ccsf ccsn ccss cfcf cfcn cfco cfcs cffr cfnr cfns cfor cfos cfrn cnco cnrc cnrr cnss coco cofc coff cofs con- conc conf conn cono cons coof coon coos cor- corc corf corn coro corr cors cosc coso coss crcc crcr crfc crfs crns croc cron croo cror crss cscc cscf csco cscr cscs csfc csfr csor csos csrc csrs cssr fccf fcsc ffcc ffff ffrr ffss fnrs foco focs fofo fono fons foof foon foos for- forn foro forr fors foso foss frcc frcn frfc frns fron fros frsc frso fscc fsfo fssc fssf nccc nccf nccn nccr nccs ncfc ncnc ncoc ncor ncos ncrc ncsc ncsf ncss nfff nfon nfrs nfsr nnnn nnos nnss noco nocs non- nonn nono nons noo- noon nooo noor noos nor- norc norf norn noro norr nors nos- noss nrcs nrfc nroc nron nrrc nrsc nscc nscs nsfc nsfs nsnr nsof nsos nsrc nssc nssf nsso nssr nsss occc occn ocon ocos ocro ocrr ocrs ofcr off- offc offo offr offs ofno ofor onc- oncf onco onno onon onor onos onsc onso oocr ooff oofs oons oooo ooos orco orcs orff orfs ornc orno orns oro- orof oron oror oros orro orrs orso oscc osco osno osnr osoo osor osos osro osso rccc rccs rcfc rcnr rcon rcos rcsc rcss rffc rnco rncs rocc roco rocs rofc roff rofo ronc rono rons roof roon roor roos rorc roro rosc roso ross rrfc rrrr rscc rscn rscs rsfc rsnn rsno rsnr rsos s-os sccc sccs scfc scnr scon scoo scor scr- scrc scrn scrs scsc scsn scso scsr sfcc sfco sfcs sffc sfor sfos sfrc sfro sfss sncc sncf snco snns snoc snoo snor snos snrs soco socr socs sofo son- sono sons soof soon soor soos sorn soro sorr sors soso soss srcc srfc srnn srno sros sscc sscs ssfc ssns ssoc ssrc ssrs sssc sssf ssss