krrs krsc krsd krse krsf krsh krsk krsr krss ksce ksch ksck ksco kscr kscs ksdc ksdk ksdr ksds ksec ksed ksee kseh ksek kseo kser ksfc ksfe ksfh ksfo ksfr kshd kshe kshk ksho kshr kshs kskd kske kskf kskk ksko kskr ksks ksoc ksof ksok ksoo ksor ksos ksrf ksrh ksro ksrr ksrs ksse ksso kssr ksss o-eo occc ocds oce oced ocee ocef oche ochs ocke ocks ocos ocre ocro ocrr ocrs oddd odds oded odeo oder odes odoh odoo odor odos odso oec- oecc oedo oeds oeec oere oers oese ofcr ofdr ofek ofer off- offc offe offh offo offr offs ofor ofre ohcc ohed ohee oher ohho ohhs ohoh ohok ohos ohre ohso ohss oked okeh oker okes okko okok okor okre okro okso oocr ooer ooes ooff oofs ooho oohs oooh oooo ooos oord oore oose orce orch orco orcs orde ordo ords ore- orec ored oreh orek oreo orer ores orfe orff orfs orhe orhs orke orko oro- oroe orof orok oror oros orro orrs orse orsk orso oscc osce osco osec osed osee oseh osek oser oses oshc oshe osho oshs osoo osor osos osrd osro ossd osse osso rccc rccs rcdc rcde rcds rcfc rchs rcos rcrd rcsc rcsd rcss rder rdhs rdoc rdos rdso recc recd rece rech reck recr recs redc redd rede redh redo redr reds reed reef reek rees refd refe reff refr refs rehe rehs reke reko reks reod reof reos rerd rere rero rers rese resh reso ress rfds rfef rffc rfhs rhce rhee rheo rhes rhfs rhhs rhoc rhod rhoh rhos rkkf rkos rkss rocc roce roch rock roco rocs rodd rode rodo rods roed roer roes rofc rofe roff rofo rohe rohr rohs roke rokh rokk roko rokr roks rood roof rook roor roos rorc rore rork roro rosc rose rosh roso ross rred rrfc rrhs rrrr rscc rsch rscs rsdd rsds rsee rsfc rshd rshs rsos rsre s-os sccc scce sccs scdc scdf scds scec scee scer scfc scfe sch- sche schh scho schr schs sck- scoh scok scoo scor scr- scrc scre scrs scsc scsd scsh scso scsr sdcc sdch sdco sddc sdds sdef sder sdes sdfc sdhd sdhs sdrc sdrs sdsc sdsf sdss se-c se-d se-e se-f se-h se-k se-o se-s sec- secc secd sece sech seck seco secr secs sede sedo seds seec seed seef seeh seek seer sees seff sehe sehk sehr sehs seke sekk seko seoc seod seok serc serd sere serf serk sero serr sers sesc sese sesh seso sess sfcc sfco sfcs sfdc sfdk sfer sffc sfhs sfor sfos sfrc sfro sfss shcc she- shed shee shef sheh shek sheo sher shes shhh shhs shod shoe shof shok shoo shor shos shre shrs shsc sked skee skeo sker skes skfc skhs skoe skor sksd skss soce soch sock soco socr socs sodd sode sodo sods soec soeo soes sofo sohh soho sohs soke sokk soko sood soof sook soor soos sord sore sorh soro sorr sors sose sosh soso soss srcc srch srde srec sreo sres srfc srhs sros srsd sscc ssce sscs ssdc ssdd ssdf ssec ssee sses ssfc sshs ssoc ssrc ssrs sssc sssf sssh ssss