cccc cccf ccci cccl cccs ccfc ccff ccfi ccfl ccic ccii ccil ccis cclc ccli ccls ccoc ccsf ccsi ccsl ccss cfcf cfcl cfco cfcs cfls cfos cfsi cfsl cicc cici cico cics ciff cifl cifs ciii ciis cili cill cilo cils cios cis- cisc cisl ciss clic clif clii clio clis clof cloo clos clsc coco cofc coff cofi cofs coif coil cois col- coli coll colo cols coof cool coos cosc cosi cosl coso coss cscc cscf csci cscl csco cscs csfc csio csis csos fccf fcic fcii fcsc fcsl ffcc ffff ffii ffss ficc fico fics fifc fiff fifi fifo fiii fiil fili fill filo fils fios fisc fisi fiss flcl flic flii flis floc floo flos foci foco focs fofo foil fois folc foli foll folo fols foof fool foos fosi foso foss fscc fsfi fsfo fssc fssf iccc iccf icci iccl icco iccs icis icll icoc icos icsc icsi icss ifco ific ifil ifis ifsc ifso iiii iiio iiis iioi iioo iios iisc iisi ilic ilio ilis ill- illi illo ills iloc iloo ilos ioci iofc ioii ioio iolo ioof iooi iooo ioos ioso iscc isci isco iscs isfc isic isil isis isls iso- isoc isof isol isos issc issf issi isso isss lccc lccs lcfc lcis lcls lcsc lfcc lico lics liff lifl lifo liii liis lili lill lilo lils lio- lios lisi liso liss llcc llcs lllc llll lloc lloo locc loci loco locs loff lofi loic loif lois loli loll lolo lols looc loof lool loos losc losi loso loss lsco lscs lsfc lsof lsso occc occi ocis oclc ocos ofcl off- offc offo offs oici oiii oils oios oisc olcc olfs olic olio olis olli ollo olof olos olsi ooff oofs oolo oooo ooos oosi oscc osci oscl osco osii osis osli oslo osoi osoo osos ossi osso s-ic s-ii s-os sccc sccl sccs scfc scfi sci- scic scif scil scio scis scl- sclc scls scol scoo scsc scsi scsl scso sfcc sfco sfcs sffc sfio sflc sfls sfos sfss sicc sici sico sics siff sifl sifo sil- silc silf sili sill silo sils siol sios sisc sisi siss sl-i slcc slic sloc sloo slos slsc soci socl soco socs sofi sofo soic soif soil sois solf soli soll solo sols soof sool soos sosi soso soss sscc ssci sscs ssfc ssfl ssis sslc ssoc sssc sssf sssi ssss