-er -ic b-p bbb bbc bbe bbf bbi bbl bbm bbp bbr bbt bcb bcc bce bcf bci bcl bcm bcp bcr bct be- beb bec bee bef bei bel bem bep ber bet bfb bfc bfe bff bfi bfl bfm bfp bfr bft bi- bib bic bie bif bii bil bim bip bir bit blb blc ble blf bli bll blm blp blr blt bmb bmc bme bmf bmi bml bmm bmp bmr bmt bpb bpc bpe bpf bpi bpl bpm bpp bpr bpt brb bre brf bri brl brm brp brr brt btb btc bte btf bti btl btm btp btr btt c-- cbb cbc cbe cbf cbi cbl cbm cbp cbr cbt ccb ccc cce ccf cci ccl ccm ccp ccr cct ce- ceb cec cee cef cei cel cem cep cer cet cfb cfc cfe cff cfi cfl cfm cfp cfr cft ci- cib cic cie cif cii cil cim cip cir cit cl- clb clc cle clf cli cll clm clp clr clt cmb cmc cme cmf cmi cml cmm cmp cmr cmt cpb cpc cpe cpf cpi cpl cpm cpp cpr cpt crb crc cre crf cri crl crm crp crr crt ctb ctc cte ctf cti ctl ctm ctp ctr ctt ebb ebc ebe ebf ebi ebl ebm ebp ebr ebt ec- ecb ecc ece ecf eci ecl ecm ecr ect eeb eec eee eef eel eem eep eer eet ef- efb efc efe eff efi efl efm efp efr eft eib eic eie eif eii eil eim eip eir eit elb elc ele elf eli ell elm elp elr elt em- emb emc eme emf emi eml emm emp emr emt ep- epb epc epe epf epi epl epm epp epr ept erb erc ere erf eri erl erm erp err ert etb etc ete etf eti etl etm etp etr ett fbb fbc fbe fbf fbi fbl fbm fbp fbr fbt fcb fcc fce fcf fci fcl fcm fcp fcr fct feb fec fee fef fei fel fem fep fer fet ffc ffe fff ffi ffl ffm ffp ffr fft fib fic fie fif fii fil fim fip fir fit flb flc fle flf fli fll flm flp flr flt fmb fmc fme fmf fmi fml fmm fmp fmr fmt fpb fpc fpe fpi fpl fpm fpp fpr fpt frb frc fre frf fri frl frm frp frr frt ftb ftc fte ftf fti ftl ftm ftp ftr ftt i-f ibb ibc ibe ibf ibi ibl ibm ibp ibr ibt icb icc ice icf ici icl icm icp icr ict ie- iec iee ief iei iel iem iep ier iet ifb ifc ife iff ifi ifl ifm ifp ifr ift iib iic iie iif iii iil iim iip iir iit il- ilb ilc ile ilf ili ill ilm ilp ilr ilt im- imb imc ime imf imi iml imm imp imt ipb ipc ipe ipf ipi ipl ipm ipp ipr ipt ir- irb irc ire irf iri irl irm irp irr irt itb itc ite itf iti itl itm itp itt l-p lbb lbc lbe lbf lbi lbl lbm lbp lbr lbt lcb lcc lce lcf lci lcl lcm lcp lcr lct leb lec lee lef lei lel lem lep ler let lfb lfc lfe lff lfi lfl lfm lfp lfr lft lib lic lie lif lii lil lim lip lir lit llb llc lle llf lli lll llm llp llr llt lmb lmc lme lmf lmi lml lmm lmp lmr lmt lpb lpc lpe lpf lpi lpl lpm lpp lpr lpt lrb lrc lrf lri lrm lrp lrr lrt ltb ltc lte ltf lti ltl ltm ltp ltr ltt m-f m-r mbb mbc mbe mbf mbi mbl mbm mbp mbr mbt mc- mcb mcc mce mcf mci mcl mcm mcp mcr mct meb mec mee mef mei mel mem mep mer met mfb mfc mfe mff mfi mfl mfm mfp mfr mft mi- mib mic mie mif mii mil mim mip mir mit mlb mlc mle mlf mli mll mlm mlp mlr mlt mmb mmc mme mmf mmi mml mmm mmp mmr mmt mpb mpc mpe mpf mpi mpl mpm mpp mpr mpt mrb mrc mre mrf mri mrl mrm mrp mrr mrt mtb mtc mte mtf mti mtl mtm mtp mtr mtt p-p pbb pbc pbe pbf pbi pbl pbm pbp pbr pbt pcb pcc pce pcf pci pcl pcm pcp pcr pct peb pec pee pef pei pel pem pep per pet pfb pfc pfe pff pfi pfl pfm pfp pfr pft pib pic pie pif pii pil pim pip pir pit plb plc ple plf pli pll plm plp plr plt pmb pmc pme pmf pmi pml pmm pmp pmr pmt ppb ppc ppe ppf ppi ppl ppm ppp ppr ppt prb prc pre prf pri prl prm prp prr prt pt- ptb ptc pte ptf pti ptl ptm ptp ptr ptt rbb rbc rbe rbf rbi rbl rbm rbp rbr rbt rcb rcc rce rcf rci rcl rcm rcp rcr rct re- reb rec ree ref rei rel rem rep rer ret rfb rfc rfe rff rfi rfl rfm rfp rfr rft rib ric rie rif rii ril rim rip rir rit rlc rle rlf rli rll rlm rlp rlr rlt rmb rmc rme rmf rmi rml rmm rmp rmr rmt rpb rpc rpe rpf rpi rpl rpm rpp rpr rpt rrb rrc rrf rri rrl rrm rrp rrr rrt rtb rtc rte rtf rti rtl rtm rtp rtr rtt tbb tbc tbe tbf tbi tbl tbm tbp tbr tbt tcb tcc tce tcf tci tcl tcm tcp tcr tct te- teb tec tee tef tei tel tem tep ter tet tfb tfc tfe tff tfi tfl tfm tfp tfr tft tib tic tie tif tii til tim tip tir tit tlc tle tlf tli tll tlm tlp tlr tlt tmb tmc tme tmf tmi tml tmm tmp tmr tmt tpb tpc tpe tpf tpi tpl tpm tpp tpr tpt trb trc tre trf tri trl