c-cd cccc cccf ccci cccs ccdc ccdf ccdi ccds ccfc ccfd ccff ccfi ccic ccid ccii ccis ccoc ccod ccsd ccsf ccsi ccss cdcs cdfs cdic cdii cdio cdis cdos cdss cfcf cfco cfcs cfds cfos cfsi cicc cici cico cics cidc cidi cids ciff cifs ciid ciii ciis ciko cios cis- cisc cisd cisk ciss ckck ckco ckcs ckdo ckfi ckoc ckoi ckoo ckos ckso cock coco codd codi cods cofc coff cofi cofs coif cois cok- coko cood coof cook coos cosc cosi coso coss cscc cscd cscf csci csco cscs csfc csid csik csio csis csks csos cssd dccc dcci dccs dcds dcfc dcfs dcii dcio dcis dcos dcsc dcss dddd ddoc ddss dfcc dfco dfcs dfds dici dick dico didi dido dids dif- diff difs diii diis diki diko dioc dios dis- disc disd disi disk diso diss dkdc dkid doci dock doco docs dod- dodd dodi dodo dods doff doid dois doki doko dood doof dook doos dosi dosk doso doss dscc dscs dsfc dsif dsos dssc dssi f--k fccf fcds fcic fcii fcsc fdic fdoc fdos ffcc ffff ffii ffss ficc fick fico fics fidc fidf fido fids fifc fiff fifi fifo fiii fiki fios fisc fisd fisi fisk fiss foci fock foco focs fofo foid fois foki food foof fook foos fosi foso foss fscc fsck fsfi fsfo fssc fssf iccc iccf icci icco iccs icdc icdd icis icks icoc icod icos icsc icsd icsi icss iddo idfc idic idid idio idis idoc idos idsc idsf idso idss ifcd ifco ific ifid ifis ifsc ifso iicd iiii iiio iiis iioi iioo iios iisc iisd iisi ikid ikki ikko ikoo ioci iod- iodd iodo iofc ioii ioio ioko ioof iooi iooo ioos ioso iscc iscd isci isco iscs isdc isds isfc isic isis iskf isko iso- isoc isof isok isos issc issf issi isso isss k-ci k-id k-os kccc kccd kcci kcck kcdc kcdd kcdi kcds kcfc kcfd kcfi kcfo kcic kcid kcif kcii kcis kckc kckf kckk kcko kcof kcos kcsc kcsd kcsf kcsi kcss kdcc kdcd kdco kddc kddd kddf kddi kddk kdfc kdfi kdfo kdic kdio kdis kdkd kdkk kdko kdoc kdok kdsc kdsd kdsk kdss kfcd kfcf kfco kfcs kfff kffk kfio kfis kfok kfoo kfsd kfsi kfsk kicc kicd kick kics kidd kidi kidk kido kids kiff kifs kiic kiid kiii kiik kiis kikc kikd kikf kiki kikk kiko kioc kiod kioi kiok kioo kisc kisd kisf kisi kisk kiso kiss kkcd kkci kkck kkco kkcs kkdc kkdd kkdo kkfi kkfs kkic kkid kkik kkkk kkoo kksd kksf kksi kkss kocd kocf koci kock kocs kodi kodk kodo kods kofc koff kofi kofk kofo koii kokc kokf koki kokk koko koks kooc kooi kook kooo koos kos- kosc kosd kosf kosi koso koss ksci ksck ksco kscs ksdc ksdi ksdk ksds ksfc ksfi ksfo ksid ksif ksii ksik ksis kskd kskf kskk ksko ksks ksoc ksof ksoi ksok ksoo ksos kssi ksso ksss occc occi ocds ocis ocks ocos odci oddd oddi odds odic odio odis odoo odos odso off- offc offo offs ofid ofik oici oick oido oids oiii oiko oiks oios oisc oisd okic okko okok oksi okso oodi ooff oofs ooid oooo ooos oosi oscc osci osco osdi osii osik osis oski osoi osoo osos ossd ossi osso s-ic s-ii s-os sccc sccs scdc scdf scds scfc scfi sci- scic scid scif scio scis sck- scok scoo scsc scsd scsi scso sdcc sdco sddc sdds sdfc sdic sdif sdio sdsc sdsf sdss sfcc sfco sfcs sfdc sfdk sffc sfio sfos sfss sicc sici sick sico sics sidd sidi sido sids siff sifo siik siki siko siks siod sios sisc sisd sisi sisk siss skfc skic skid skif skik skio skis sksd skss soci sock soco socs sodd sodo sods sofi sofo soic soif soik sois soki sokk soko sood soof sook soos sosi soso soss sscc ssci sscs ssdc ssdd ssdf ssfc ssid ssis ssoc sssc sssf sssi ssss