-ic c-- ccc ccd cci cck cco ccp ccr ccs cdc cdd cdi cdk cdo cdp cdr cds ci- cic cid cii cik cio cip cir cis ckc ckd cki cko cks co- coc cod coi cok coo cop cor cos cpc cpd cpi cpk cpo cpp cpr cps crc crd cri crk cro crp crr crs csc csd csi csk cso csp csr css dcc dcd dci dck dco dcp dcr dcs ddc ddd ddi ddk ddo ddp ddr dds di- dic did dii dik dio dip dir dis dkc dki dkk dko dkp dkr dks doc dod doi dok doo dop dor dos dpc dpd dpi dpk dpo dpp dpr dps drc drd dri drk dro drp drr drs dsc dsd dsi dsk dso dsp dsr dss i-d icc icd ici ick ico icp icr ics idc idd idi idk ido idp idr ids iic iid iii iio iip iir iis ikc iki ikk iko ikr iks io- ioc iod ioi ioo iop ior ios ipc ipd ipi ipo ipp ipr ips ir- irc ird iri irk iro irp irr irs is- isc isd isi isk iso isp isr iss kcc kcd kci kck kcp kcr kcs kdc kdk kdo kdp kdr kds kic kid kii kik kio kip kir kis kkc kki kkk kkp kkr kks koc kod koi kok koo kop kor kos kpc kpd kpi kpk kpo kpp kpr kps krc krd kri krk kro krp krr krs ksc ksd ksi ksk kso ksp ksr kss o-i oc- occ ocd oci ock oco ocp ocr ocs odc odd odi odo odp odr ods oic oid oii oik oio oip oir ois okc okd oki okk oko okp okr oks oo- ooc ood ooi ook ooo oop oor oos op- opc opd opi opk opo opp opr ops or- orc ord ori ork oro orp orr ors os- osc osd osi osk oso osp osr oss p-p pcc pcd pci pck pco pcp pcr pcs pdc pdd pdi pdk pdo pdp pdr pds pic pid pii pik pio pip pir pis pkc pkd pki pko pkp pkr pks poc pod poi pok poo pop por pos ppc ppd ppi ppk ppo ppp ppr pps prc prd pri prk pro prp prr prs ps- psc psd psi psk pso psp psr pss rcc rcd rci rco rcp rcr rcs rdc rdd rdi rdo rdp rdr rds ric rid rii rik rio rip rir ris rkc rkk rko rkp rks roc rod roi rok roo rop ror ros rpc rpd rpi rpk rpo rpp rpr rps rrc rrd rri rrk rrp rrr rrs rsc rsd rsi rsk rso rsp rsr rss scc scd sci sck sco scp scr scs sdc sdd sdi sdk sdo sdp sdr sds sic sid sii sik sio sip sir sis sk- skc skd ski skk sko skp skr sks soc sod soi sok soo sop sor sos spc spd spi spk spo spp spr sps sr- src srd sri srk sro srp srr srs ss- ssc ssd ssi ssk sso ssp ssr sss

c-cd cccc ccci cccp cccs ccdc ccdi ccdp ccdr ccds ccic ccid ccii ccip ccir ccis ccoc ccod ccpp ccpr ccps ccrc ccri ccrp ccrs ccsd ccsi ccsp ccss cd-r cdcs cddr cdic cdii cdio cdis cdos cdps cdrs cdss cicc cici cico cicr cics cidc cidi cidp cidr cids ciid ciii ciis ciko cikr cior cios cipo cipp cips circ ciri cirk ciro cirr cirs cis- cisc cisd cisk cisp cisr ciss ckck ckco ckcs ckdo ckoc ckoi ckoo ckor ckos ckpc ckpr ckrc ckrd ckso cock coco cocp codd codi cods coip coir cois cok- coko cood cook coop coos copd copi copo copp copr cops cor- corc cord cori cork coro corp corr cors cosc cosi coso cosp coss cpcs cpic cpio cpos cppd cpps cpri cprs cpsc cpsk cpso cpsr crcc crcr crdc cric crik crip cris crkc crkp croc crod crok croo crop cror crpc crps crsp crss cscc cscd csci csco cscr cscs csdp csdr csid csik csio csir csis csks csor csos cspc cspd cspi csps csrc csrd csrs cssd cssr dccc dcci dccp dccs dcds dcii dcio dcis dcop dcos dcpo dcps dcrk dcsc dcss dddd ddoc ddpo ddps ddrc ddss dici dick dico didi dido dids diii diis diki diko dioc diop dior dios dipc dipo dipp dips dird dirk dirr dirs dis- disc disd disi disk diso disp diss dkdc dkid doci dock doco docs dod- dodd dodi dodo dods doid dois doki doko dood dook doop door doos dopo dopp dopr dops dorc dord dori dork doro dorp dorr dors dosi dosk doso doss dpci dpcp dpos dppc dprk dpsd dric drip drod drop drrs drsp dscc dscp dscr dscs dsdp dsdr dsip dsos dsps dsrc dsri dsrp dsrr dssc dssi dssp iccc icci icco iccp iccr iccs icdc icdd icdp icis icks icoc icod icor icos icpc icpd icpo icps icrc icrr icrs icsc icsd icsi icsp icsr icss idcr iddo idic idid idio idir idis idoc idos idps idrc idro idsc idso idss iicd iiii iiio iiis iioi iioo iiop iios iirc iirs iisc iisd iisi iisp iisr ikid ikki ikko ikoo ikri ioci iocp iod- iodd iodo ioii ioio ioko iooi iooo ioos iops iori iors ioso ipcc ipcs ipdc ipdi ipid ipko ipod ipop ipos ippc ippo ippr ipri ipsc ipsi ipso ipsp ipss ircc ircd ircs irdc irdo irdp irds iri- iric irid irio irip iris irki irks iroc irod irop irpc irps irrc irri irrs irsp iscc iscd isci isco iscp iscr iscs isdc isds isic isis isko iso- isoc isok isop isor isos ispc ispr isps isri isrp issc issi isso issp issr isss k-ci k-id k-os kccc kccd kcci kcck kccr kcdc kcdd kcdi kcdr kcds kcic kcid kcii kcir kcis kckc kckk kcko kckr kcor kcos kcpc kcpi kcpo kcpr kcps kcrc kcri kcro kcrp kcrr kcrs kcsc kcsd kcsi kcsp kcsr kcss kdcc kdcd kdco kdcr kddc kddd kddi