-er -ic bbb bbc bbd bbe bbf bbi bbm bbr bbs bbt bcb bcc bcd bce bcf bci bcm bcr bcs bct bdb bdc bdd bde bdf bdi bdm bdr bds bdt be- beb bec bed bee bef bei bem ber bes bet bfb bfc bfd bfe bff bfi bfm bfr bfs bft bi- bib bic bid bie bif bii bim bir bis bit bmb bmc bmd bme bmf bmi bmm bmr bms bmt brb brd bre brf bri brm brr brs brt bsb bsc bsd bse bsf bsi bsm bsr bss bst btb btc btd bte btf bti btm btr bts btt c-- cbb cbc cbd cbe cbf cbi cbm cbr cbs cbt ccb ccc ccd cce ccf cci ccm ccr ccs cct cdb cdc cdd cde cdf cdi cdm cdr cds cdt ce- ceb cec ced cee cef cei cem cer ces cet cfb cfc cfd cfe cff cfi cfm cfr cfs cft ci- cib cic cid cie cif cii cim cir cis cit cmb cmc cmd cme cmf cmi cmm cmr cms cmt crb crc crd cre crf cri crm crr crs crt csb csc csd cse csf csi csm csr css cst ctb ctc ctd cte ctf cti ctm ctr cts ctt dbb dbc dbd dbe dbf dbi dbm dbr dbs dbt dcb dcc dcd dce dcf dci dcm dcr dcs dct ddb ddc ddd dde ddf ddi ddm ddr dds ddt de- deb dec ded dee def dei dem der des det dfb dfc dfd dfe dff dfi dfm dfr dfs dft di- dib dic did die dif dii dim dir dis dit dmb dmc dmd dme dmf dmi dmm dmr dms dmt drb drc drd dre dri drm drr drs drt dsb dsc dsd dse dsf dsi dsm dsr dss dst dtb dtc dtd dte dtf dti dtm dtr dts dtt ebb ebc ebd ebe ebf ebi ebm ebr ebs ebt ec- ecb ecc ecd ece ecf eci ecm ecr ecs ect ed- edb edc edd ede edf edi edm edr eds edt eeb eec eed eee eef eem eer ees eet ef- efb efc efd efe eff efi efm efr efs eft eib eic eid eie eif eii eim eir eis eit em- emb emc emd eme emf emi emm emr ems emt erb erc erd ere erf eri erm err ers ert es- esb esc esd ese esf esi esm esr ess est etb etc etd ete etf eti etm etr ets ett fbb fbc fbd fbe fbf fbi fbm fbr fbs fbt fcb fcc fcd fce fcf fci fcm fcr fcs fct fdb fdc fdd fde fdf fdi fdm fdr fds fdt feb fec fed fee fef fei fem fer fes fet ffc ffd ffe fff ffi ffm ffr ffs fft fib fic fid fie fif fii fim fir fis fit fmb fmc fmd fme fmf fmi fmm fmr fms fmt frb frc frd fre frf fri frm frr frs frt fsb fsc fsd fse fsf fsi fsm fsr fss fst ftb ftc ftd fte ftf fti ftm ftr fts ftt i-d i-f ibb ibc ibd ibe ibf ibi ibm ibr ibs ibt icb icc icd ice icf ici icm icr ics ict idb idc idd ide idf idi idm idr ids idt ie- iec ied iee ief iei iem ier ies iet ifb ifc ifd ife iff ifi ifm ifr ifs ift iib iic iid iie iif iii iim iir iis iit im- imb imc imd ime imf imi imm ims imt ir- irb irc ird ire irf iri irm irr irs irt is- isb isc isd ise isf isi ism isr iss ist itb itc itd ite itf iti itm its itt m-f m-r mbb mbc mbd mbe mbf mbi mbm mbr mbs mbt mc- mcb mcc mcd mce mcf mci mcm mcr mcs mct mdb mdc mdd mde mdf mdi mdm mdr mds mdt meb mec med mee mef mei mem mer mes met mfb mfc mfd mfe mff mfi mfm mfr mfs mft mi- mib mic mid mie mif mii mim mir mis mit mmb mmc mmd mme mmf mmi mmm mmr mms mmt mrb mrc mrd mre mrf mri mrm mrr mrs mrt msb msc msd mse msf msi msm msr mss mst mtb mtc mtd mte mtf mti mtm mtr mts mtt rbb rbc rbd rbe rbf rbi rbm rbr rbs rbt rcb rcc rcd rce rcf rci rcm rcr rcs rct rdb rdc rdd rde rdf rdi rdm rdr rds rdt re- reb rec red ree ref rei rem rer res ret rfb rfc rfd rfe rff rfi rfm rfr rfs rft rib ric rid rie rif rii rim rir ris rit rmb rmc rmd rme rmf rmi rmm rmr rms rmt rrb rrc rrd rrf rri rrm rrr rrs rrt rsb rsc rsd rse rsf rsi rsm rsr rss rst rtb rtc rtd rte rtf rti rtm rtr rts rtt sbb sbc sbd sbe sbf sbi sbm sbr sbs sbt scb scc scd sce scf sci scm scr scs sct sdb sdc sdd sde sdf sdi sdm sdr sds sdt se- seb sec sed see sef sei sem ser ses set sfb sfc sfd sfe sff sfi sfm sfr sfs sft sib sic sid sie sif sii sim sir sis sit smb smc smd sme smf smi smm smr sms smt sr- srb src srd sre srf sri srm srr srs srt ss- ssb ssc ssd sse ssf ssi ssm ssr sss sst stb stc std ste stf sti stm str sts stt tbb tbc tbd tbe tbf tbi tbm tbr tbs tbt tcb tcc tcd tce tcf tci tcm tcr tcs tct tdb tdc tdd tde tdf tdi tdm tdr tds tdt te- teb tec ted tee tef tei tem ter tes tet tfb tfc tfd tfe tff tfi tfm tfr tfs tft tib tic tid tie tif tii tim tir tis tit tmb tmc tmd tme tmf tmi tmm tmr tms tmt trb trc trd tre trf tri trm trr trs