-ic c-- ccc ccd ccf cci cck cco ccr ccs cdc cdd cdf cdi cdk cdo cdr cds cfc cfd cff cfi cfk cfo cfr cfs ci- cic cid cif cii cik cio cir cis ckc ckd cki cko cks co- coc cod cof coi cok coo cor cos crc crd crf cri crk cro crr crs csc csd csf csi csk cso csr css dcc dcd dcf dci dck dco dcr dcs ddc ddd ddf ddi ddk ddo ddr dds dfc dfd dff dfi dfk dfo dfr dfs di- dic did dif dii dik dio dir dis dkc dki dkk dko dkr dks doc dod dof doi dok doo dor dos drc drd dri drk dro drr drs dsc dsd dsf dsi dsk dso dsr dss fcc fcd fcf fci fck fco fcr fcs fdc fdd fdf fdi fdk fdo fdr fds ffc ffd fff ffi ffk ffo ffr ffs fic fid fif fii fik fir fis fkc fkf fki fkk foc fof foi fok foo for fos frc frd frf fri frk fro frr frs fsc fsd fsf fsi fsk fso fsr fss i-d i-f icc icd icf ici ick ico icr ics idc idd idf idi idk ido idr ids ifc ifd iff ifi ifo ifr ifs iic iid iif iii iio iir iis ikc ikf iki ikk iko ikr iks io- ioc iod iof ioi ioo ior ios ir- irc ird irf iri irk iro irr irs is- isc isd isf isi isk iso isr iss kcc kcd kci kck kcr kcs kdc kdf kdk kdo kdr kds kfc kfd kff kfi kfo kfs kic kid kif kii kik kio kir kis kkc kki kkk kkr kks koc kod kof koi kok koo kor kos krc krd krf kri krk kro krr krs ksc ksd ksf ksi ksk kso ksr kss o-i oc- occ ocd ocf oci ock oco ocr ocs odc odd odf odi odo odr ods of- ofc ofd off ofi ofo ofr ofs oic oid oif oii oik oio oir ois okc okd oki okk oko okr oks oo- ooc ood oof ooi ook ooo oor oos or- orc ord orf ori ork oro orr ors os- osc osd osf osi osk oso osr oss rcc rcd rcf rci rco rcr rcs rdc rdd rdf rdi rdo rdr rds rfc rfd rff rfi rfk rfo rfr rfs ric rid rif rii rik rio rir ris rkc rkf rkk rko rks roc rod rof roi rok roo ror ros rrc rrd rrf rri rrk rrr rrs rsc rsd rsf rsi rsk rso rsr rss scc scd scf sci sck sco scr scs sdc sdd sdf sdi sdk sdo sdr sds sfc sfd sff sfi sfk sfo sfr sfs sic sid sif sii sik sio sir sis sk- skc skd skf ski skk sko skr sks soc sod sof soi sok soo sor sos sr- src srd srf sri srk sro srr srs ss- ssc ssd ssf ssi ssk sso ssr sss

c-cd cccc cccf ccci cccs ccdc ccdf ccdi ccdr ccds ccfc ccfd ccff ccfi ccic ccid ccii ccir ccis ccoc ccod ccrc ccrf ccri ccrs ccsd ccsf ccsi ccss cd-r cdcs cddr cdfs cdic cdii cdio cdis cdos cdrs cdss cfcf cfco cfcs cfds cffr cfor cfos cfsi cicc cici cico cicr cics cidc cidi cidr cids ciff cifs ciid ciii ciis ciko cikr cior cios circ ciri cirk ciro cirr cirs cis- cisc cisd cisk cisr ciss ckck ckco ckcs ckdo ckfi ckfr ckoc ckoi ckoo ckor ckos ckrc ckrd ckso cock coco codd codi cods cofc coff cofi cofs coif coir cois cok- coko cood coof cook coos cor- corc cord corf cori cork coro corr cors cosc cosi coso coss crcc crcr crdc crfc crfs cric crif crik cris crkc croc crod crok croo cror crss cscc cscd cscf csci csco cscr cscs csdr csfc csfr csid csik csio csir csis csks csor csos csrc csrd csrs cssd cssr dccc dcci dccs dcds dcfc dcfs dcii dcio dcis dcos dcrk dcsc dcss dddd ddoc ddrc ddss dfcc dfco dfcs dfds dfrf dfri dici dick dico didi dido dids dif- diff difs diii diis diki diko dioc dior dios dird dirk dirr dirs 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 door doos dorc dord dorf dori dork doro dorr dors dosi dosk doso doss drfc dric drif drod drof drrs dscc dscr dscs dsdr dsfc dsif dsos dsrc dsri dsrr dssc dssi f--k fccf fcds fcic fcii fcsc fdic fdoc fdos ffcc ffff ffii ffrr ffss ficc fick fico fics fidc fidf fido fids fifc fiff fifi fifo fiii fiki fior fios firk firs fisc fisd fisi fisk fiss foci fock foco focs fofo foid fois foki food foof fook foos for- ford fori fork foro forr fors fosi foso foss frcc frfc fric frid frik frio fris fros frsc frso fscc fsck fsfi fsfo fssc fssf iccc iccf icci icco iccr iccs icdc icdd icis icks icoc icod icor icos icrc icrf icrr icrs icsc icsd icsi icsr icss idcr iddo idfc idic idid idio idir idis idoc idos idrc idrf idro idsc idsf idso idss ifcd ifco ific ifid ifis ifor ifrf ifri ifsc ifso iicd iiii iiio iiis iioi iioo iios iirc iirs iisc iisd iisi iisr ikid ikki ikko ikoo ikri ioci iod- iodd iodo iofc ioii ioio ioko ioof iooi iooo ioos iori iors ioso ircc ircd ircs irdc irdo irds iri- iric irid irio iris irki irks iroc irod irrc irri irrs irsf iscc iscd isci isco iscr iscs isdc isds isfc isic isis iskf isko iso- isoc isof isok isor isos isri issc issf issi isso issr isss k-ci k-id k-os kccc kccd kcci kcck kccr kcdc kcdd kcdi kcdr kcds kcfc kcfd kcfi kcfo kcic kcid kcif kcii kcir kcis kckc kckf kckk kcko kckr kcof kcor kcos kcrc kcri kcro kcrr kcrs kcsc