c-cd cccc cccf ccci cccl cccs ccdc ccdf ccdi ccds ccfc ccfd ccff ccfi ccfl ccic ccid ccii ccil ccis cclc ccli ccls ccoc ccod ccsd ccsf ccsi ccsl ccss cdcs cddl cdfs cdic cdii cdio cdis cdli cdls cdos cdss cfcf cfcl cfco cfcs cfds cfls cfos cfsi cfsl cicc cici cico cics cidc cidi cids ciff cifl cifs ciid ciii ciis cili cill cilo cils cios cis- cisc cisd cisl ciss clcd cldc clic clif clii clio clis clod clof cloo clos clsc coco codd codi codl cods cofc coff cofi cofs coif coil cois col- cold coli coll colo cols cood coof cool coos cosc cosi cosl coso coss cscc cscd cscf csci cscl csco cscs csfc csid csio csis csld csos cssd dccc dcci dccl dccs dcds dcfc dcfs dcii dcil dcio dcis dcli dcls dcos dcsc dcss dddd ddlc ddoc ddss dfcc dfco dfcs dfds dici dico didi dido dids dif- diff difs diii diis dilf dili dill dilo dils dioc diol dios dis- disc disd disi diso diss dlco dlcs dlii dlil dlis dlos doci doco docs dod- dodd dodi dodo dods doff doid doil dois dold dolf doli doll dolo dols dood doof dool doos dosi doso doss dscc dscs dsfc dsif dsls dsos dssc dssi fccf fcds fcic fcii fcsc fcsl fdic fdoc fdos ffcc ffff ffii ffss ficc fico fics fidc fidf fido fids fifc fiff fifi fifo fiii fiil fild fili fill filo fils fios fisc fisd fisi fiss flcl flic flid flii flis floc flod floo flos foci foco focs fofo foid foil fois folc fold foli foll folo fols food foof fool foos fosi foso foss fscc fsfi fsfo fssc fssf iccc iccf icci iccl icco iccs icdc icdd icdl icis icll icoc icod icos icsc icsd icsi icss iddo idfc idic idid idil idio idis idli idls idoc idol idos idsc idsf idso idss ifcd ifco ific ifid ifil ifis ifsc ifso iicd iiii iiio iiis iioi iioo iios iisc iisd iisi ilcd ilic ilio ilis ill- illd illi illo ills iloc iloo ilos ioci iod- iodd iodo iofc ioii ioio iolo ioof iooi iooo ioos ioso iscc iscd isci isco iscs isdc isds isfc isic isil isis isls iso- isoc isof isol isos issc issf issi isso isss lccc lccs lcdd lcds lcfc lcis lcls lcsc lcsd ldcf ldci ldif ldls ldos lfcc lico lics lidl lido lids liff lifl lifo liii liis lili lill lilo lils lio- liod lios lisd lisi liso liss llcc llcs lldc llds lllc llll lloc llod lloo locc loci loco locs lodi lods loff lofi loic loid loif lois lold loli loll lolo lols looc lood loof lool loos losc losi loso loss lsco lscs lsds lsfc lsid lsof lsso occc occi ocds ocis oclc ocos odci oddd oddi odds odic odio odis odoo odos odso ofcl off- offc offo offs ofid oici oido oids oiii oils oios oisc oisd olcc olds olfs olic olid olio olis olli ollo olof olos olsi oodi ooff oofs ooid oold oolo oooo ooos oosi oscc osci oscl osco osdi osii osis osli oslo osoi osoo osos ossd ossi osso s-ic s-ii s-os sccc sccl sccs scdc scdf scds scfc scfi sci- scic scid scif scil scio scis scl- sclc scls scol scoo scsc scsd scsi scsl scso sdcc sdco sddc sdds sdfc sdic sdif sdio sdlc sdls sdsc sdsf sdsl sdss sfcc sfco sfcs sfdc sffc sfio sflc sfls sfos sfss sicc sici sico sics sidd sidi sido sids siff sifl sifo sil- silc sild silf sili sill silo sils siod siol sios sisc sisd sisi siss sl-i slcc slcd slds slic slid sloc slod sloo slos slsc soci socl soco socs sodd sodo sods sofi sofo soic soif soil sois sold solf soli soll solo sols sood soof sool soos sosi soso soss sscc ssci sscs ssdc ssdd ssdf ssfc ssfl ssid ssis sslc ssoc sssc sssf sssi ssss