-er -ic c-- ccc ccd cce ccf cch cci ccl ccr ccs cdc cdd cde cdf cdh cdi cdl cdr cds ce- cec ced cee cef ceh cei cel cer ces cfc cfd cfe cff cfh cfi cfl cfr cfs ch- chc chd che chf chh chi chl chr chs ci- cic cid cie cif cih cii cil cir cis cl- clc cld cle clf clh cli cll clr cls crc crd cre crf crh cri crl crr crs csc csd cse csf csh csi csl csr css dcc dcd dce dcf dci dcl dcr dcs ddc ddd dde ddf ddh ddi ddl ddr dds de- dec ded dee def deh dei del der des dfc dfd dfe dff dfh dfi dfl dfr dfs dh- dhc dhd dhe dhf dhh dhi dhl dhr dhs di- dic did die dif dih dii dil dir dis dl- dlc dld dle dlf dlh dli dll dlr dls drc drd dre dri drl drr drs dsc dsd dse dsf dsh dsi dsl dsr dss ec- ecc ecd ece ecf ech eci ecl ecr ecs ed- edc edd ede edf edh edi edl edr eds eec eed eee eef eel eer ees ef- efc efd efe eff efh efi efl efr efs ehc ehd ehe ehf ehh ehi ehl ehr ehs eic eid eie eif eii eil eir eis elc eld ele elf elh eli ell elr els erc erd ere erf erh eri erl err ers es- esc esd ese esf esh esi esl esr ess fcc fcd fce fcf fci fcl fcr fcs fdc fdd fde fdf fdh fdi fdl fdr fds fec fed fee fef feh fei fel fer fes ffc ffd ffe fff ffh ffi ffl ffr ffs fhc fhe fhf fhh fhi fhl fhr fhs fic fid fie fif fih fii fil fir fis flc fld fle flf fli fll flr fls frc frd fre frf frh fri frl frr frs fsc fsd fse fsf fsh fsi fsl fsr fss h-i hcc hcd hce hcf hch hci hcl hcr hcs hdc hdd hde hdf hdh hdi hdl hdr hds he- hec hed hee hef heh hei hel her hes hfc hfd hfe hff hfh hfi hfl hfr hfs hhc hhd hhe hhf hhh hhi hhl hhr hhs hic hid hie hif hih hii hil hir his hlc hld hle hlf hlh hli hll hlr hls hr- hrc hrd hre hrf hrh hri hrl hrr hrs hsc hsd hse hsf hsh hsi hsl hsr hss i-d i-f icc icd ice icf ich ici icl icr ics idc idd ide idf idh idi idl idr ids ie- iec ied iee ief iei iel ier ies ifc ifd ife iff ifi ifl ifr ifs ihc ihd ihe ihf ihh ihi ihl ihr ihs iic iid iie iif iih iii iil iir iis il- ilc ild ile ilf ilh ili ill ilr ils ir- irc ird ire irf iri irl irr irs is- isc isd ise isf ish isi isl isr iss lcc lcd lce lcf lch lci lcl lcr lcs ldc ldd lde ldf ldh ldi ldl ldr lds lec led lee lef leh lei lel ler les lfc lfd lfe lff lfh lfi lfl lfr lfs lhc lhd lhf lhh lhi lhr lhs lic lid lie lif lih lii lil lir lis llc lld lle llf lli lll llr lls lrc lrd lrf lrh lri lrr lrs lsc lsd lse lsf lsh lsi lsl lsr lss rcc rcd rce rcf rch rci rcl rcr rcs rdc rdd rde rdf rdh rdi rdl rdr rds re- rec red ree ref reh rei rel rer res rfc rfd rfe rff rfh rfi rfl rfr rfs rh- rhc rhd rhe rhf rhh rhi rhl rhr rhs ric rid rie rif rih rii ril rir ris rlc rld rle rlf rlh rli rll rlr rls rrc rrd rrf rrh rri rrl rrr rrs rsc rsd rse rsf rsh rsi rsl rsr rss scc scd sce scf sch sci scl scr scs sdc sdd sde sdf sdh sdi sdl sdr sds se- sec sed see sef seh sei sel ser ses sfc sfd sfe sff sfh sfi sfl sfr sfs sh- shc shd she shf shh shi shl shr shs sic sid sie sif sih sii sil sir sis slc sld sle slf slh sli sll slr sls sr- src srd sre srf srh sri srl srr srs ss- ssc ssd sse ssf ssh ssi ssl ssr sss