-er bbb bbd bbe bbi bbm bbo bbr bbs bbt bdb bdd bde bdi bdm bdo bdr bds bdt be- beb bed bee bei bem beo ber bes bet bi- bib bid bie bii bim bio bir bis bit bmb bmd bme bmi bmm bmo bmr bms bmt bob bod boe boi bom boo bor bos bot brb brd bre bri brm bro brr brs brt bsb bsd bse bsi bsm bso bsr bss bst btb btd bte bti btm bto btr bts btt dbb dbd dbe dbi dbm dbo dbr dbs dbt ddb ddd dde ddi ddm ddo ddr dds ddt de- deb ded dee dei dem deo der des det di- dib did die dii dim dio dir dis dit dmb dmd dme dmi dmm dmo dmr dms dmt dob dod doe doi dom doo dor dos dot drb drd dre dri drm dro drr drs drt dsb dsd dse dsi dsm dso dsr dss dst dtb dtd dte dti dtm dto dtr dts dtt ebb ebd ebe ebi ebm ebo ebr ebs ebt ed- edb edd ede edi edm edo edr eds edt eeb eed eee eem eeo eer ees eet eib eid eie eii eim eio eir eis eit em- emb emd eme emi emm emo emr ems emt eo- eob eod eoe eoi eom eoo eor eos eot erb erd ere eri erm ero err ers ert es- esb esd ese esi esm eso esr ess est etb etd ete eti etm eto etr ets ett i-d ibb ibd ibe ibi ibm ibo ibr ibs ibt idb idd ide idi idm ido idr ids idt ie- ied iee iei iem ier ies iet iib iid iie iii iim iio iir iis iit im- imb imd ime imi imm imo ims imt io- iob iod ioe ioi iom ioo ior ios iot ir- irb ird ire iri irm iro irr irs irt is- isb isd ise isi ism iso isr iss ist itb itd ite iti itm ito its itt m-o m-r mbb mbd mbe mbi mbm mbo mbr mbs mbt mdb mdd mde mdi mdm mdo mdr mds mdt meb med mee mei mem meo mer mes met mi- mib mid mie mii mim mio mir mis mit mmb mmd mme mmi mmm mmo mmr mms mmt mob mod moe moi mom moo mor mos mot mrb mrd mre mri mrm mro mrr mrs mrt msb msd mse msi msm mso msr mss mst mtb mtd mte mti mtm mto mtr mts mtt o-i ob- obb obd obe obi obm obo obr obs obt odb odd ode odi odm odo odr ods odt oeb oed oee oei oem oeo oer oes oet oib oid oie oii oim oio oir ois oit om- omb omd ome omi omm omo omr oms omt oo- oob ood ooi oom ooo oor oos oot or- orb ord ore ori orm oro orr ors ort os- osb osd ose osi osm oso osr oss ost ot- otb otd ote oti otm oto otr ots ott rbb rbd rbe rbi rbm rbo rbr rbs rbt rdb rdd rde rdi rdm rdo rdr rds rdt re- reb red ree rei rem reo rer res ret rib rid rie rii rim rio rir ris rit rmb rmd rme rmi rmm rmo rmr rms rmt rob rod roe roi rom roo ror ros rot rrb rrd rri rrm rrr rrs rrt rsb rsd rse rsi rsm rso rsr rss rst rtb rtd rte rti rtm rto rtr rts rtt sbb sbd sbe sbi sbm sbo sbr sbs sbt sdb sdd sde sdi sdm sdo sdr sds sdt se- seb sed see sei sem seo ser ses set sib sid sie sii sim sio sir sis sit smb smd sme smi smm smo smr sms smt sob sod soe soi som soo sor sos sot sr- srb srd sre sri srm sro srr srs srt ss- ssb ssd sse ssi ssm sso ssr sss sst stb std ste sti stm sto str sts stt tbb tbd tbe tbi tbm tbo tbr tbs tbt tdb tdd tde tdi tdm tdo tdr tds tdt te- teb ted tee tei tem teo ter tes tet tib tid tie tii tim tio tir tis tit tmb tmd tme tmi tmm tmo tmr tms tmt to- tob tod toe toi tom too tor tos tot trb trd tre tri trm tro trr trs trt tsb tsd tse tsi tsm tso tsr tss tst ttb ttd tte tti ttm tto ttr tts ttt