-er -ic b-p bbb bbc bbd bbe bbf bbg bbi bbn bbp bbr bbt bcb bcc bcd bce bcf bcg bci bcn bcp bcr bct bdb bdc bdd bde bdf bdg bdi bdp bdr bdt be- beb bec bed bee bef beg bei ben bep ber bet bfb bfc bfd bfe bff bfg bfi bfn bfp bfr bft bgb bgc bgd bge bgf bgg bgi bgn bgp bgr bgt bi- bib bic bid bie bif big bii bin bip bir bit bnb bnc bnd bne bnf bng bni bnn bnp bnr bnt bpb bpc bpd bpe bpf bpg bpi bpn bpp bpr bpt brb brd bre brf brg bri brn brp brr brt btb btc btd bte btf btg bti btn btp btr btt c-- cbb cbc cbd cbe cbf cbg cbi cbn cbp cbr cbt ccb ccc ccd cce ccf ccg cci ccn ccp ccr cct cdb cdc cdd cde cdf cdg cdi cdn cdp cdr cdt ce- ceb cec ced cee cef ceg cei cen cep cer cet cfb cfc cfd cfe cff cfg cfi cfn cfp cfr cft cgb cgc cgd cge cgg cgi cgn cgp cgr cgt ci- cib cic cid cie cif cig cii cin cip cir cit cn- cnb cnc cnd cne cnf cng cni cnn cnp cnr cnt cpb cpc cpd cpe cpf cpg cpi cpn cpp cpr cpt crb crc crd cre crf crg cri crn crp crr crt ctb ctc ctd cte ctf ctg cti ctn ctp ctr ctt dbb dbc dbd dbe dbf dbg dbi dbn dbp dbr dbt dcb dcc dcd dce dcf dcg dci dcn dcp dcr dct ddb ddc ddd dde ddf ddg ddi ddn ddp ddr ddt de- deb dec ded dee def deg dei den dep der det dfb dfc dfd dfe dff dfg dfi dfn dfp dfr dft dgc dgd dge dgf dgg dgi dgn dgp dgr dgt di- dib dic did die dif dig dii din dip dir dit dnb dnc dnd dne dnf dng dni dnn dnp dnr dnt dpb dpc dpd dpe dpf dpg dpi dpn dpp dpr dpt drb drc drd dre drg dri drn drp drr drt dtb dtc dtd dte dtf dtg dti dtn dtp dtr dtt ebb ebc ebd ebe ebf ebg ebi ebn ebp ebr ebt ec- ecb ecc ecd ece ecf ecg eci ecn ecr ect ed- edb edc edd ede edf edg edi edn edp edr edt eeb eec eed eee eef eeg een eep eer eet ef- efb efc efd efe eff efg efi efp efr eft egb egc egd ege egf egg egi egn egp egr egt eib eic eid eie eif eig eii ein eip eir eit en- enb enc end ene enf eng eni enn enp enr ent ep- epb epc epd epe epf epg epi epn epp epr ept erb erc erd ere erf erg eri ern erp err ert etb etc etd ete etf etg eti etn etp etr ett fbb fbc fbd fbe fbf fbg fbi fbn fbp fbr fbt fcb fcc fcd fce fcf fcg fci fcn fcp fcr fct fdb fdc fdd fde fdf fdg fdi fdn fdp fdr fdt feb fec fed fee fef feg fei fen fep fer fet ffc ffd ffe fff ffg ffi ffn ffp ffr fft fgb fgc fgd fge fgf fgg fgi fgn fgp fgr fgt fib fic fid fie fif fig fii fin fip fir fit fnb fnc fnd fne fnf fng fni fnn fnp fnr fnt fpb fpc fpd fpe fpg fpi fpn fpp fpr fpt frb frc frd fre frf frg fri frn frp frr frt ftb ftc ftd fte ftf ftg fti ftn ftp ftr ftt g-d g-p gbc gbd gbe gbf gbg gbi gbn gbp gbr gbt gcb gcc gcd gce gcf gcg gci gcn gcp gcr gct gdb gdc gdd gde gdf gdi gdn gdp gdr gdt ge- geb gec ged gee gef geg gei gen gep ger get gfb gfc gfd gfe gff gfi gfp gfr gft ggb ggc ggd ggg ggi ggn ggp ggr ggt gib gic gid gie gif gig gii gin gip gir git gnb gnc gnd gne gnf gni gnn gnp gnr gnt gpb gpc gpd gpe gpf gpg gpi gpn gpp gpr gpt grb grc grd gre grf grg gri grn grp grr grt gtb gtc gtd gte gtf gtg gti gtn gtp gtr gtt i-d i-f ibb ibc ibd ibe ibf ibg ibi ibn ibp ibr ibt icb icc icd ice icf icg ici icn icp icr ict idb idc idd ide idf idg idi idn idp idr idt ie- iec ied iee ief ieg iei ien iep ier iet ifb ifc ifd ife iff ifg ifi ifn ifp ifr ift igb igc igd ige igf igg igi ign igp igr igt iib iic iid iie iif iii iin iip iir iit in- inb inc ind ine inf ing ini inn inp inr int ipb ipc ipd ipe ipf ipg ipi ipn ipp ipr ipt ir- irb irc ird ire irf irg iri irn irp irr irt itb itc itd ite itf itg iti itn itp itt n-i nbb nbc nbd nbe nbf nbg nbi nbn nbp nbr nbt ncb ncc ncd nce ncf ncg nci ncn ncp ncr nct ndb ndc ndd nde ndf ndg ndi ndn ndp ndr ndt ne- neb nec ned nee nef neg nei nen nep ner net nfb nfc nfd nfe nff nfi nfn nfp nfr nft ngb ngc ngd nge ngf ngg ngi ngn ngp ngt nib nic nid nie nif nig nii nin nip nir nit nnb nnc nne nnf nng nni nnn nnp nnt npb npc npd npe npf npg npi npn npp npr npt nrb nrc nrd nre nrf nrg nri nrn nrp nrr nrt ntb ntc ntd nte ntf ntg nti ntn ntp ntr ntt p-p pbb pbc pbd pbe pbf pbg pbi pbn pbp pbr pbt pcb pcc pcd pce pcf pcg pci pcn pcp pcr pct pdb pdc pdd pde pdf pdg pdi