-er -ic c-- ccc ccd cce ccf cch cci cck ccl ccr cdc cdd cde cdf cdh cdi cdk cdl cdr ce- cec ced cee cef ceh cei cek cel cer cfc cfd cfe cff cfh cfi cfk cfl cfr ch- chc chd che chf chh chi chk chl chr ci- cic cid cie cif cih cii cik cil cir ckc ckd ckh cki cl- clc cld cle clf clh cli clk cll clr crc crd cre crf crh cri crk crl crr dcc dcd dce dcf dci dck dcl dcr ddc ddd dde ddf ddh ddi ddk ddl ddr de- dec ded dee def deh dei dek del der dfc dfd dfe dff dfh dfi dfk dfl dfr dh- dhc dhd dhe dhf dhh dhi dhk dhl dhr di- dic did die dif dih dii dik dil dir dkc dke dki dkk dkl dkr dl- dlc dld dle dlf dlh dli dlk dll dlr drc drd dre dri drk drl drr ec- ecc ecd ece ecf ech eci eck ecl ecr ed- edc edd ede edf edh edi edk edl edr eec eed eee eef eek eel eer ef- efc efd efe eff efh efi efl efr ehc ehd ehe ehf ehh ehi ehl ehr eic eid eie eif eii eik eil eir ekc ekd eke ekf ekh eki ekl ekr elc eld ele elf elh eli elk ell elr erc erd ere erf erh eri erk erl err fcc fcd fce fcf fci fck fcl fcr fdc fdd fde fdf fdh fdi fdk fdl fdr fec fed fee fef feh fei fek fel fer ffc ffd ffe fff ffh ffi ffk ffl ffr fhc fhe fhf fhh fhi fhl fhr fic fid fie fif fih fii fik fil fir fkc fkf fki fkk fkl flc fld fle flf fli fll flr frc frd fre frf frh fri frk frl frr h-i hcc hcd hce hcf hch hci hck hcl hcr hdc hdd hde hdf hdh hdi hdk hdl hdr he- hec hed hee hef heh hei hek hel her hfc hfd hfe hff hfh hfi hfk hfl hfr hhc hhd hhe hhf hhh hhi hhk hhl hhr hic hid hie hif hih hii hik hil hir hkd hkf hkh hki hkk hkl hkr hlc hld hle hlf hlh hli hll hlr hr- hrc hrd hre hrf hrh hri hrk hrl hrr i-d i-f icc icd ice icf ich ici ick icl icr idc idd ide idf idh idi idk idl idr ie- iec ied iee ief iei iek iel ier ifc ifd ife iff ifi ifl ifr ihc ihd ihe ihf ihh ihi ihk ihl ihr iic iid iie iif iih iii iil iir ikc ike ikf iki ikk ikl ikr il- ilc ild ile ilf ilh ili ilk ill ilr ir- irc ird ire irf iri irk irl irr kcc kcd kce kch kci kck kcl kcr kdc kde kdf kdh kdk kdl kdr ke- kec ked kee kef keh kei kek kel ker kfc kfd kff kfh kfi khe khf khh khi khk khr kic kid kie kif kih kii kik kil kir kkc kke kkh kki kkk kkl kkr kl- klc kld klf klh kli klr krc krd krf kri krk krl krr lcc lcd lce lcf lch lci lck lcl lcr ldc ldd lde ldf ldh ldi ldk ldl ldr lec led lee lef leh lei lek lel ler lfc lfd lfe lff lfh lfi lfk lfl lfr lhc lhd lhf lhh lhi lhk lhr lic lid lie lif lih lii lik lil lir lkh lkl lkr llc lld lle llf lli llk lll llr lrc lrd lrf lrh lri lrk lrr rcc rcd rce rcf rch rci rcl rcr rdc rdd rde rdf rdh rdi rdl rdr re- rec red ree ref reh rei rek rel rer rfc rfd rfe rff rfh rfi rfk rfl rfr rh- rhc rhd rhe rhf rhh rhi rhl rhr ric rid rie rif rih rii rik ril rir rkc rke rkf rkk rlc rld rle rlf rlh rli rll rlr rrc rrd rrf rrh rri rrk rrl rrr