kkcb kkcd kkch kkci kkck kkco kkcr kkcs kkdc kkdd kkdo kkhb kkhh kkhi kkhk kkhr kkic kkid kkik kkkk kkob kkoh kkoo kkor kkrb kkrc kkrh kkrk kkro kkrr kkrs kksd kksi kksr kkss kobb kobc kobi kobk kobo kobr kobs kocb kocd koch koci kock kocs kodi kodk kodo kods kohd kohh kohi koho kohr kohs koii koir kokb kokc kokh koki kokk koko kokr koks koob kooc kooi kook kooo koor koos korb korc kord kori kork koro korr kors kos- kosb kosc kosd kosh kosi koso kosr koss krbb krbd krbi krbk krbr krcb krcc krcd krch krci krco krcs krdc krdd krdo krdr krds krhc krhs krib krid krik krio kris krkc krkd krkh krki krkk krko krkr krks krob kroc krod kroh kroi krok kroo kror kros krrb krrc krri krrk krro krrr krrs krsc krsd krsh krsk krsr krss ksbc ksbh ksbi ksbr ksbs kscb ksch ksci ksck ksco kscr kscs ksdc ksdi ksdk ksdr ksds kshb kshd kshi kshk ksho kshr kshs ksib ksid ksii ksik ksir ksis kskb kskd kskk ksko kskr ksks ksob ksoc ksoi ksok ksoo ksor ksos ksrb ksrh ksro ksrr ksrs kssi ksso kssr ksss obbo obhs obid obis obkb oboi obok obor obos obrh obri obro obsd obsr obss ocbc occc occi ocds ochi ochs ocis ocks ocos ocro ocrr ocrs odbo odci oddd oddi odds odic odio odir odis odoh odoo odor odos odso ohcc ohhi ohho ohhs ohid ohio ohis ohob ohoh ohok ohos ohso ohss oici oick oido oids oiii oiko oiks oios oisc oisd okic okir okko okok okor okro oksi okso oobi oocr oodi ooho oohs ooid oooh oooo ooos oord oosi orbb orbi orbo orbs orch orci orco orcs ordo ords orhs ori- oric orid orio oris orko oro- orok oror oros orri orro orrs orsi orsk orso oscc osci osco osdi oshc oshi osho oshs osii osik osis oski osoi osoo osor osos osrd osro ossb ossd ossi osso rbbb rbbr rbbs rbds rbhs rbis rboh rbsd rbss rcbc rcbo rccb rccc rccs rcdc rcds rchb rchs rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rdhs rdio rdoc rdos rdso rhhs rhib rhio rhob rhoc rhod rhoh rhos rib- ribo ribs ricc rich rick rico rics ridc ridd ridi rido rids riho rihs riis riki rikk rios riri rirs risc risd rish risi risk riso riss rkos rkss rob- robb robi robo robs rocc roch rock roco rocs rodd rodi rodo rods rohr rohs roid roik roio roir rois rokh roki rokk roko rokr roks roob rood rooi rook roor roos rorc rori rork roro rosc rosh rosi roso ross rrhs rrrr rsbi rscc rsch rscs rsdd rsds rshd rshs rsid rsis rsos s-ib s-ic s-ii s-os sbbs sbcc sbcs sbds sbhc sbhk sbhs sbic sbor sbrk sbsd sbsi scbi sccc sccs scdc scds sch- schh schi scho schr schs sci- scic scid scio scir scis sck- scob scoh scok scoo scor scr- scrc scri scrs scsc scsd scsh scsi scso scsr sdcc sdch sdco sddc sdds sdhb sdhd sdhs sdib sdic sdio sdrc sdrs sdsc sdss shbs shcc shhh shhs shib shid shih shii shik shio shir shis shod shok shoo shor shos shri shrs shsc sibc sibi sibo sibs sicc sich sici sick sico sics sidd sidh sidi sido sidr sids sihi sihk sihr sihs siik sikh siki siko sikr siks siod sior sios sirc siri sirk siro sirr sirs sisc sisd sish sisi sisk siss skhs skic skid skik skio skir skis skor sksd skss sobo sobr sobs soch soci sock soco socr socs sodd sodo sods sohh soho sohs soic soik soir sois soki sokk soko sood sook soor soos sorb sord sorh sori soro sorr sors sosh sosi soso soss srbc srcc srch srhs srib sris sros srsd ssbr sscc ssci sscs ssdc ssdd sshs ssid ssis ssoc ssrc ssri ssrs sssb sssc sssh sssi ssss