-er -ic c-- ccc ccd cce ccf cci cco ccr ccs cdc cdd cde cdf cdi cdo cdr cds ce- cec ced cee cef cei ceo cer ces cfc cfd cfe cff cfi cfo cfr cfs ci- cic cid cie cif cii cio cir cis co- coc cod coe cof coi coo cor cos crc crd cre crf cri cro crr crs csc csd cse csf csi cso csr css dcc dcd dce dcf dci dco dcr dcs ddc ddd dde ddf ddi ddo ddr dds de- dec ded dee def dei deo der des dfc dfd dfe dff dfi dfo dfr dfs di- dic did die dif dii dio dir dis doc dod doe dof doi doo dor dos drc drd dre dri dro drr drs dsc dsd dse dsf dsi dso dsr dss ec- ecc ecd ece ecf eci eco ecr ecs ed- edc edd ede edf edi edo edr eds eec eed eee eef eeo eer ees ef- efc efd efe eff efi efo efr efs eic eid eie eif eii eio eir eis eo- eoc eod eoe eof eoi eoo eor eos erc erd ere erf eri ero err ers es- esc esd ese esf esi eso esr ess fcc fcd fce fcf fci fco fcr fcs fdc fdd fde fdf fdi fdo fdr fds fec fed fee fef fei feo fer fes ffc ffd ffe fff ffi ffo ffr ffs fic fid fie fif fii fir fis foc foe fof foi foo for fos frc frd fre frf fri fro frr frs fsc fsd fse fsf fsi fso fsr fss i-d i-f icc icd ice icf ici ico icr ics idc idd ide idf idi ido idr ids ie- iec ied iee ief iei ier ies ifc ifd ife iff ifi ifo ifr ifs iic iid iie iif iii iio iir iis io- ioc iod ioe iof ioi ioo ior ios ir- irc ird ire irf iri iro irr irs is- isc isd ise isf isi iso isr iss o-i oc- occ ocd ocf oci oco ocr ocs odc odd ode odf odi odo odr ods oec oed oee oef oei oeo oer oes of- ofc ofd ofe off ofi ofo ofr ofs oic oid oie oif oii oio oir ois oo- ooc ood oof ooi ooo oor oos or- orc ord ore orf ori oro orr ors os- osc osd ose osf osi oso osr oss rcc rcd rce rcf rci rco rcr rcs rdc rdd rde rdf rdi rdo rdr rds re- rec red ree ref rei reo rer res rfc rfd rfe rff rfi rfo rfr rfs ric rid rie rif rii rio rir ris roc rod roe rof roi roo ror ros rrc rrd rrf rri rrr rrs rsc rsd rse rsf rsi rso rsr rss scc scd sce scf sci sco scr scs sdc sdd sde sdf sdi sdo sdr sds se- sec sed see sef sei seo ser ses sfc sfd sfe sff sfi sfo sfr sfs sic sid sie sif sii sio sir sis soc sod soe sof soi soo sor sos sr- src srd sre srf sri sro srr srs ss- ssc ssd sse ssf ssi sso ssr sss

-ose c-cd cccc cccf ccci cccs ccdc ccdf ccdi ccdr ccds cced ccee ccfc ccfd ccff ccfi ccic ccid ccii ccir ccis ccoc ccod ccrc ccre ccrf ccri ccrs ccsd ccsf ccsi ccss cd-e cd-r cdcs cddr cdec cdef cder cdes cdfe cdfs cdic cdii cdio cdis cdos cdre cdrs cdss cec- cece ceci ceco cecs cedd cede cedi cedo ceec cees cef- cefc ceor ceos cer- cerc cerd cere cerf ceri cero cers cesc cese cesi cesr cess cfcf cfco cfcs cfds cffr cfor cfos cfre cfse cfsi cicc cici cico cicr cics cidc cide cidi cidr cids ciee cier cies cife ciff cifs ciid ciii ciis cior cios circ cire ciri ciro cirr cirs cis- cisc cisd cise cisr ciss coce coco codd code codi cods coed coes cofc cofe coff cofi cofs coif coir cois cood coof coos cor- corc cord core corf cori coro corr cors cosc cose cosi coso coss crcc crce crcr crdc cre- crec cred cree crei creo cres crfc crfs cric crie crif cris croc crod croe croo cror crss cscc cscd csce cscf csci csco cscr cscs csdr csec csee cser csfc csfr csid csio csir csis csor csos csrc csrd csrs cssd csse cssr dccc dcci dccs dcds dcfc dcfs dcii dcio dcis dcos dcsc dcss dddd ddes ddie ddoc ddrc ddre ddss dec- decc decd dece deci deco decs dedd dede dedi dedo deed deef deer dees defe deff defi defo defs deid deie deif deir deis deor deos der- derc dere derf deri dero derr ders des- desc dese desi deso dess dfcc dfco dfcs dfds dfer dfoe dfrf dfri dice dici dico dide didi dido dids died dief dier dies dif- diff difs diii diis dioc dior dios dird dire dirr dirs dis- disc disd dise disi diso diss doce doci doco docs dod- dodd dode dodi dodo dods doer does doff doid dois dood doof door doos dorc dord dore dorf dori doro dorr dors dose dosi doso doss dred dree dref drei dres drfc dric drie drif drod drof drrs dscc dscr dscs dsdr dsei dsfc dsif dsos dsrc dsri dsrr dssc dssi eccc ecce ecci ecco ecdc ecdf eced ecef eces ecfc ecfr ecfs ecis eco- ecod ecos ecrc ecrf ecri ecrr ecsc ecse ecss eddc edde eddi eddo edds ede- edei eder edes edie edif edis edoc edod edos edss eecs eede eeee eees eefe eeoc eerc eero eers eese eesi efco efeo efes effi effs efic efor efsi eico eics eid- eide eidi eido eidr eiec eied eiei eier eies eifs eird eire eirs eisd eise eiso eiss eocd eode eoes eoir eois eore eori ercc erce erde erdf erdi erds erec ered erei erer eres erfc erfs eric erie erio eris eroc erod eroe eroi eroo eros errc erre