-er -ic bbb bbc bbd bbe bbf bbi bbm bbo bbr bbs bbt bcb bcc bcd bce bcf bci bcm bco bcr bcs bct bdb bdc bdd bde bdf bdi bdm bdo bdr bds bdt be- beb bec bed bee bef bei bem beo ber bes bet bfb bfc bfd bfe bff bfi bfm bfo bfr bfs bft bi- bib bic bid bie bif bii bim bio bir bis bit bmb bmc bmd bme bmf bmi bmm bmo bmr bms bmt bob boc bod boe bof boi bom boo bor bos bot brb brd bre brf bri brm bro brr brs brt bsb bsc bsd bse bsf bsi bsm bso bsr bss bst btb btc btd bte btf bti btm bto btr bts btt c-- cbb cbc cbd cbe cbf cbi cbm cbo cbr cbs cbt ccb ccc ccd cce ccf cci ccm cco ccr ccs cct cdb cdc cdd cde cdf cdi cdm cdo cdr cds cdt ce- ceb cec ced cee cef cei cem ceo cer ces cet cfb cfc cfd cfe cff cfi cfm cfo cfr cfs cft ci- cib cic cid cie cif cii cim cio cir cis cit cmb cmc cmd cme cmf cmi cmm cmo cmr cms cmt co- cob coc cod coe cof coi com coo cor cos cot crb crc crd cre crf cri crm cro crr crs crt csb csc csd cse csf csi csm cso csr css cst ctb ctc ctd cte ctf cti ctm cto ctr cts ctt dbb dbc dbd dbe dbf dbi dbm dbo dbr dbs dbt dcb dcc dcd dce dcf dci dcm dco dcr dcs dct ddb ddc ddd dde ddf ddi ddm ddo ddr dds ddt de- deb dec ded dee def dei dem deo der des det dfb dfc dfd dfe dff dfi dfm dfo dfr dfs dft di- dib dic did die dif dii dim dio dir dis dit dmb dmc dmd dme dmf dmi dmm dmo dmr dms dmt dob doc dod doe dof doi dom doo dor dos dot drb drc drd dre dri drm dro drr drs drt dsb dsc dsd dse dsf dsi dsm dso dsr dss dst dtb dtc dtd dte dtf dti dtm dto dtr dts dtt ebb ebc ebd ebe ebf ebi ebm ebo ebr ebs ebt ec- ecb ecc ecd ece ecf eci ecm eco ecr ecs ect ed- edb edc edd ede edf edi edm edo edr eds edt eeb eec eed eee eef eem eeo eer ees eet ef- efb efc efd efe eff efi efm efo efr efs eft eib eic eid eie eif eii eim eio eir eis eit em- emb emc emd eme emf emi emm emo emr ems emt eo- eob eoc eod eoe eof eoi eom eoo eor eos eot erb erc erd ere erf eri erm ero err ers ert es- esb esc esd ese esf esi esm eso esr ess est etb etc etd ete etf eti etm eto etr ets ett fbb fbc fbd fbe fbf fbi fbm fbo fbr fbs fbt fcb fcc fcd fce fcf fci fcm fco fcr fcs fct fdb fdc fdd fde fdf fdi fdm fdo fdr fds fdt feb fec fed fee fef fei fem feo fer fes fet ffc ffd ffe fff ffi ffm ffo ffr ffs fft fib fic fid fie fif fii fim fir fis fit fmb fmc fmd fme fmf fmi fmm fmo fmr fms fmt fob foc foe fof foi fom foo for fos fot frb frc frd fre frf fri frm fro frr frs frt fsb fsc fsd fse fsf fsi fsm fso fsr fss fst ftb ftc ftd fte ftf fti ftm fto ftr fts ftt i-d i-f ibb ibc ibd ibe ibf ibi ibm ibo ibr ibs ibt icb icc icd ice icf ici icm ico icr ics ict idb idc idd ide idf idi idm ido idr ids idt ie- iec ied iee ief iei iem ier ies iet ifb ifc ifd ife iff ifi ifm ifo ifr ifs ift iib iic iid iie iif iii iim iio iir iis iit im- imb imc imd ime imf imi imm imo ims imt io- iob ioc iod ioe iof ioi iom ioo ior ios iot ir- irb irc ird ire irf iri irm iro irr irs irt is- isb isc isd ise isf isi ism iso isr iss ist itb itc itd ite itf iti itm ito its itt m-f m-o m-r mbb mbc mbd mbe mbf mbi mbm mbo mbr mbs mbt mc- mcb mcc mcd mce mcf mci mcm mco mcr mcs mct mdb mdc mdd mde mdf mdi mdm mdo mdr mds mdt meb mec med mee mef mei mem meo mer mes met mfb mfc mfd mfe mff mfi mfm mfo mfr mfs mft mi- mib mic mid mie mif mii mim mio mir mis mit mmb mmc mmd mme mmf mmi mmm mmo mmr mms mmt mob moc mod moe mof moi mom moo mor mos mot mrb mrc mrd mre mrf mri mrm mro mrr mrs mrt msb msc msd mse msf msi msm mso msr mss mst mtb mtc mtd mte mtf mti mtm mto mtr mts mtt o-i ob- obb obc obd obe obf obi obm obo obr obs obt oc- ocb occ ocd ocf oci ocm oco ocr ocs oct odb odc odd ode odf odi odm odo odr ods odt oeb oec oed oee oef oei oem oeo oer oes oet of- ofb ofc ofd ofe off ofi ofm ofo ofr ofs oft oib oic oid oie oif oii oim oio oir ois oit om- omb omc omd ome omf omi omm omo omr oms omt oo- oob ooc ood oof ooi oom ooo oor oos oot or- orb orc ord ore orf ori orm oro orr ors ort os- osb osc osd ose osf osi osm oso osr oss ost ot- otb otc otd ote otf oti otm oto otr ots ott rbb rbc rbd rbe rbf rbi rbm