-er -ic bbb bbc bbd bbe bbi bbm bbr bbs bbt bcb bcc bcd bce bci bcm bcr bcs bct bdb bdc bdd bde bdi bdm bdr bds bdt be- beb bec bed bee bei bem ber bes bet bi- bib bic bid bie bii bim bir bis bit bmb bmc bmd bme bmi bmm bmr bms bmt brb brd bre bri brm brr brs brt bsb bsc bsd bse bsi bsm bsr bss bst btb btc btd bte bti btm btr bts btt c-- cbb cbc cbd cbe cbi cbm cbr cbs cbt ccb ccc ccd cce cci ccm ccr ccs cct cdb cdc cdd cde cdi cdm cdr cds cdt ce- ceb cec ced cee cei cem cer ces cet ci- cib cic cid cie cii cim cir cis cit cmb cmc cmd cme cmi cmm cmr cms cmt crb crc crd cre cri crm crr crs crt csb csc csd cse csi csm csr css cst ctb ctc ctd cte cti ctm ctr cts ctt dbb dbc dbd dbe dbi dbm dbr dbs dbt dcb dcc dcd dce dci dcm dcr dcs dct ddb ddc ddd dde ddi ddm ddr dds ddt de- deb dec ded dee dei dem der des det di- dib dic did die dii dim dir dis dit dmb dmc dmd dme dmi dmm dmr dms dmt drb drc drd dre dri drm drr drs drt dsb dsc dsd dse dsi dsm dsr dss dst dtb dtc dtd dte dti dtm dtr dts dtt ebb ebc ebd ebe ebi ebm ebr ebs ebt ec- ecb ecc ecd ece eci ecm ecr ecs ect ed- edb edc edd ede edi edm edr eds edt eeb eec eed eee eem eer ees eet eib eic eid eie eii eim eir eis eit em- emb emc emd eme emi emm emr ems emt erb erc erd ere eri erm err ers ert es- esb esc esd ese esi esm esr ess est etb etc etd ete eti etm etr ets ett i-d ibb ibc ibd ibe ibi ibm ibr ibs ibt icb icc icd ice ici icm icr ics ict idb idc idd ide idi idm idr ids idt ie- iec ied iee iei iem ier ies iet iib iic iid iie iii iim iir iis iit im- imb imc imd ime imi imm ims imt ir- irb irc ird ire iri irm irr irs irt is- isb isc isd ise isi ism isr iss ist itb itc itd ite iti itm its itt m-r mbb mbc mbd mbe mbi mbm mbr mbs mbt mc- mcb mcc mcd mce mci mcm mcr mcs mct mdb mdc mdd mde mdi mdm mdr mds mdt meb mec med mee mei mem mer mes met mi- mib mic mid mie mii mim mir mis mit mmb mmc mmd mme mmi mmm mmr mms mmt mrb mrc mrd mre mri mrm mrr mrs mrt msb msc msd mse msi msm msr mss mst mtb mtc mtd mte mti mtm mtr mts mtt rbb rbc rbd rbe rbi rbm rbr rbs rbt rcb rcc rcd rce rci rcm rcr rcs rct rdb rdc rdd rde rdi rdm rdr rds rdt re- reb rec red ree rei rem rer res ret rib ric rid rie rii rim rir ris rit rmb rmc rmd rme rmi rmm rmr rms rmt rrb rrc rrd rri rrm rrr rrs rrt rsb rsc rsd rse rsi rsm rsr rss rst rtb rtc rtd rte rti rtm rtr rts rtt sbb sbc sbd sbe sbi sbm sbr sbs sbt scb scc scd sce sci scm scr scs sct sdb sdc sdd sde sdi sdm sdr sds sdt se- seb sec sed see sei sem ser ses set sib sic sid sie sii sim sir sis sit smb smc smd sme smi smm smr sms smt sr- srb src srd sre sri srm srr srs srt ss- ssb ssc ssd sse ssi ssm ssr sss sst stb stc std ste sti stm str sts stt tbb tbc tbd tbe tbi tbm tbr tbs tbt tcb tcc tcd tce tci tcm tcr tcs tct tdb tdc tdd tde tdi tdm tdr tds tdt te- teb tec ted tee tei tem ter tes tet tib tic tid tie tii tim tir tis tit tmb tmc tmd tme tmi tmm tmr tms tmt trb trc trd tre tri trm trr trs trt tsb tsc tsd tse tsi tsm tsr tss tst ttb ttc ttd tte tti ttm ttr tts ttt