-er -ic b-p bbb bbc bbd bbe bbi bbl bbn bbp bbr bbs bbt bcb bcc bcd bce bci bcl bcn bcp bcr bcs bct bdb bdc bdd bde bdi bdl bdp bdr bds bdt be- beb bec bed bee bei bel ben bep ber bes bet bi- bib bic bid bie bii bil bin bip bir bis bit blb blc bld ble bli bll bln blp blr bls blt bnb bnc bnd bne bni bnl bnn bnp bnr bns bnt bpb bpc bpd bpe bpi bpl bpn bpp bpr bps bpt brb brd bre bri brl brn brp brr brs brt bsb bsc bsd bse bsi bsl bsn bsp bsr bss bst btb btc btd bte bti btl btn btp btr bts btt c-- cbb cbc cbd cbe cbi cbl cbn cbp cbr cbs cbt ccb ccc ccd cce cci ccl ccn ccp ccr ccs cct cdb cdc cdd cde cdi cdl cdn cdp cdr cds cdt ce- ceb cec ced cee cei cel cen cep cer ces cet ci- cib cic cid cie cii cil cin cip cir cis cit cl- clb clc cld cle cli cll cln clp clr cls clt cn- cnb cnc cnd cne cni cnl cnn cnp cnr cns cnt cpb cpc cpd cpe cpi cpl cpn cpp cpr cps cpt crb crc crd cre cri crl crn crp crr crs crt csb csc csd cse csi csl csn csp csr css cst ctb ctc ctd cte cti ctl ctn ctp ctr cts ctt dbb dbc dbd dbe dbi dbl dbn dbp dbr dbs dbt dcb dcc dcd dce dci dcl dcn dcp dcr dcs dct ddb ddc ddd dde ddi ddl ddn ddp ddr dds ddt de- deb dec ded dee dei del den dep der des det di- dib dic did die dii dil din dip dir dis dit dl- dlb dlc dld dle dli dll dlp dlr dls dlt dnb dnc dnd dne dni dnl dnn dnp dnr dns dnt dpb dpc dpd dpe dpi dpl dpn dpp dpr dps dpt drb drc drd dre dri drl drn drp drr drs drt dsb dsc dsd dse dsi dsl dsn dsp dsr dss dst dtb dtc dtd dte dti dtl dtn dtp dtr dts dtt ebb ebc ebd ebe ebi ebl ebn ebp ebr ebs ebt ec- ecb ecc ecd ece eci ecl ecn ecr ecs ect ed- edb edc edd ede edi edl edn edp edr eds edt eeb eec eed eee eel een eep eer ees eet eib eic eid eie eii eil ein eip eir eis eit elb elc eld ele eli ell eln elp elr els elt en- enb enc end ene eni enl enn enp enr ens ent ep- epb epc epd epe epi epl epn epp epr eps ept erb erc erd ere eri erl ern erp err ers ert es- esb esc esd ese esi esl esn esp esr ess est etb etc etd ete eti etl etn etp etr ets ett i-d ibb ibc ibd ibe ibi ibl ibn ibp ibr ibs ibt icb icc icd ice ici icl icn icp icr ics ict idb idc idd ide idi idl idn idp idr ids idt ie- iec ied iee iei iel ien iep ier ies iet iib iic iid iie iii iil iin iip iir iis iit il- ilb ilc ild ile ili ill iln ilp ilr ils ilt in- inb inc ind ine ini inl inn inp inr ins int ipb ipc ipd ipe ipi ipl ipn ipp ipr ips ipt ir- irb irc ird ire iri irl irn irp irr irs irt is- isb isc isd ise isi isl isn isp isr iss ist itb itc itd ite iti itl itn itp its itt l-p lbb lbc lbd lbe lbi lbl lbp lbr lbs lbt lcb lcc lcd lce lci lcl lcn lcp lcr lcs lct ldb ldc ldd lde ldi ldl ldn ldp ldr lds ldt leb lec led lee lei lel len lep ler les let lib lic lid lie lii lil lin lip lir lis lit llb llc lld lle lli lll lln llp llr lls llt lnb lnc lnd lne lni lnl lnn lnp lnr lns lnt lpb lpc lpd lpe lpi lpl lpn lpp lpr lps lpt lrb lrc lrd lri lrn lrp lrr lrs lrt lsb lsc lsd lse lsi lsl lsn lsp lsr lss lst ltb ltc ltd lte lti ltl ltp ltr lts ltt n-i nbb nbc nbd nbe nbi nbl nbn nbp nbr nbs nbt ncb ncc ncd nce nci ncl ncn ncp ncr ncs nct ndb ndc ndd nde ndi ndl ndn ndp ndr nds ndt ne- neb nec ned nee nei nel nen nep ner nes net nib nic nid nie nii nil nin nip nir nis nit nlb nlc nld nle nli nll nln nlp nlr nls nlt nnb nnc nne nni nnl nnn nnp nns nnt npb npc npd npe npi npl npn npp npr nps npt nrb nrc nrd nre nri nrl nrn nrp nrr nrs nrt nsb nsc nsd nse nsi nsl nsn nsp nsr nss nst ntb ntc ntd nte nti ntn ntp ntr nts ntt p-p pbb pbc pbd pbe pbi pbl pbn pbp pbr pbs pbt pcb pcc pcd pce pci pcl pcn pcp pcr pcs pct pdb pdc pdd pde pdi pdl pdn pdp pdr pds pdt peb pec ped pee pei pel pen pep per pes pet pib pic pid pie pii pil pin pip pir pis pit plb plc pld ple pli pll pln plp plr pls plt pn- pnb pnc pnd pne pni pnl pnn pnp pnr pns pnt ppb ppc ppd ppe ppi ppl ppn ppp ppr pps ppt prb prc prd pre pri prl prn prp prr prs prt ps- psb psc psd pse psi psl psn psp psr pss pst pt- ptb ptc ptd pte pti ptl ptn ptp ptr pts ptt rbb rbc rbd rbe rbi rbl rbn rbp rbr rbs rbt rcb rcc rcd rce