krss ksab ksac ksak ksar ksas ksba ksbc ksbr ksbs ksca kscb ksck ksco kscr kscs ksdc ksdk ksdr ksds kska kskb kskd kskk ksko kskr ksks ksob ksoc ksok ksoo ksor ksos ksra ksrb ksro ksrr ksrs kssa ksso kssr ksss oaks oara oars oasc oass obad obak obas obba obbo obkb obok obor obos obra obro obsd obsr obss ocab ocac ocad ocak ocas ocbc occa occc ocds ocks ocos ocra ocro ocrr ocrs ocsa odac odas odbo odda oddd odds odoo odor odos odra odso okak okas okka okko okok okor okra okro oksa okso ooaa ooak ooba oocr ooda oooo ooos oora oord oosa orab orac orad orak orao orar oras orba orbb orbo orbs orca orco orcs orda ordo ords orka orko oro- orok oror oros orra orro orrs orsa orsk orso osak osar osas osba osca oscc osco osoo osor osos osrd osro ossa ossb ossd osso raab raad raak raas raba rabb rabk rabo rabs rac- raca racc rack raco racs rada radc radd rado radr rads raka rakk raob raoc raok raos rara rarb rark raro rars rasa rasc rasd rask raso rass rbbb rbbr rbbs rbds rbsd rbss rcac rcas rcbc rcbo rccb rccc rccs rcdc rcds rcos rcrd rcsa rcsc rcsd rcss rdac rdas rdoc rdos rdso rkos rkss roab road roak roar roas rob- roba robb robo robs roca rocc rock roco rocs roda rodd rodo rods roka rokk roko rokr roks roob rood rook roor roos rora rorc rork roro rosa rosc roso ross rrad rras rrrr rsaa rscc rscs rsdd rsds rsos rssa s-os sa-c saab saac saad saak saar saas saba sabb sabc sabo sabr sabs saca sacc sacd sack saco sacr sacs sada sadb sadc sadd sado sadr sads saka sakb sakk sako saks saor saos sara sarc sard sark saro sarr sars sasa sasc sasd sask saso sass sbaa sbac sbar sbas sbbs sbca sbcc sbcs sbds sbor sbrk sbsa sbsd scaa scab scac scad scak scar scas scba sccc sccs scda scdc scds sck- scob scok scoo scor scr- scra scrc scrs scsa scsc scsd scso scsr sdak sdba sdcc sdco sddc sdds sdrc sdrs sdsc sdss skab skac skad skar skor skra sksd skss soad soak soar soas soba sobo sobr sobs soca sock soco socr socs soda sodd sodo sods soka sokk soko sood sook soor soos sora sorb sord soro sorr sors sosa soso soss sras srbc srcc sros srsd ssaa ssab ssac ssao ssas ssbr ssca sscc sscs ssdc ssdd ssoc ssra ssrc ssrs sssa sssb sssc ssss