-er -ic bbb bbc bbd bbe bbh bbi bbm bbo bbr bbs bcb bcc bcd bce bch bci bcm bco bcr bcs bdb bdc bdd bde bdh bdi bdm bdo bdr bds be- beb bec bed bee beh bei bem beo ber bes bhb bhc bhd bhe bhh bhi bhm bho bhr bhs bi- bib bic bid bie bih bii bim bio bir bis bmb bmc bmd bme bmh bmi bmm bmo bmr bms bob boc bod boe boh boi bom boo bor bos brb brd bre brh bri brm bro brr brs bsb bsc bsd bse bsh bsi bsm bso bsr bss c-- cbb cbc cbd cbe cbh cbi cbm cbo cbr cbs ccb ccc ccd cce cch cci ccm cco ccr ccs cdb cdc cdd cde cdh cdi cdm cdo cdr cds ce- ceb cec ced cee ceh cei cem ceo cer ces ch- chb chc chd che chh chi chm cho chr chs ci- cib cic cid cie cih cii cim cio cir cis cmb cmc cmd cme cmh cmi cmm cmo cmr cms co- cob coc cod coe coh coi com coo cor cos crb crc crd cre crh cri crm cro crr crs csb csc csd cse csh csi csm cso csr css dbb dbc dbd dbe dbh dbi dbm dbo dbr dbs dcb dcc dcd dce dci dcm dco dcr dcs ddb ddc ddd dde ddh ddi ddm ddo ddr dds de- deb dec ded dee deh dei dem deo der des dh- dhb dhc dhd dhe dhh dhi dhm dho dhr dhs di- dib dic did die dih dii dim dio dir dis dmb dmc dmd dme dmh dmi dmm dmo dmr dms dob doc dod doe doh doi dom doo dor dos drb drc drd dre dri drm dro drr drs dsb dsc dsd dse dsh dsi dsm dso dsr dss ebb ebc ebd ebe ebh ebi ebm ebo ebr ebs ec- ecb ecc ecd ece ech eci ecm eco ecr ecs ed- edb edc edd ede edh edi edm edo edr eds eeb eec eed eee eem eeo eer ees ehb ehc ehd ehe ehh ehi ehm eho ehr ehs eib eic eid eie eii eim eio eir eis em- emb emc emd eme emh emi emm emo emr ems eo- eob eoc eod eoe eoh eoi eom eoo eor eos erb erc erd ere erh eri erm ero err ers es- esb esc esd ese esh esi esm eso esr ess h-i hbb hbc hbd hbe hbh hbi hbm hbo hbr hbs hcb hcc hcd hce hch hci hcm hco hcr hcs hdb hdc hdd hde hdh hdi hdm hdo hdr hds he- heb hec hed hee heh hei hem heo her hes hhb hhc hhd hhe hhh hhi hhm hho hhr hhs hib hic hid hie hih hii him hio hir his hmb hmc hmd hme hmh hmi hmm hmo hmr hms hob hoc hod hoe hoh hoi hom hoo hor hos hr- hrb hrc hrd hre hrh hri hrm hro hrr hrs hsb hsc hsd hse hsh hsi hsm hsr hss i-d ibb ibc ibd ibe ibh ibi ibm ibo ibr ibs icb icc icd ice ich ici icm ico icr ics idb idc idd ide idh idi idm ido idr ids ie- iec ied iee iei iem ier ies ihb ihc ihd ihe ihh ihi ihm iho ihr ihs iib iic iid iie iih iii iim iio iir iis im- imb imc imd ime imh imi imm imo ims io- iob ioc iod ioe ioh ioi iom ioo ior ios ir- irb irc ird ire iri irm iro irr irs is- isb isc isd ise ish isi ism iso isr iss m-o m-r mbb mbc mbd mbe mbh mbi mbm mbo mbr mbs mc- mcb mcc mcd mce mch mci mcm mco mcr mcs mdb mdc mdd mde mdh mdi mdm mdo mdr mds meb mec med mee meh mei mem meo mer mes mhc mhd mhh mhi mhm mho mhr mhs mi- mib mic mid mie mih mii mim mio mir mis mmb mmc mmd mme mmh mmi mmm mmo mmr mms mob moc mod moe moh moi mom moo mor mos mrb mrc mrd mre mrh mri mrm mro mrr mrs msb msc msd mse msh msi msm mso msr mss o-i ob- obb obc obd obe obh obi obm obo obr obs oc- ocb occ ocd och oci ocm oco ocr ocs odb odc odd ode odh odi odm odo odr ods oeb oec oed oee oeh oei oem oeo oer oes ohc ohd ohe ohh ohi ohm oho ohr ohs oib oic oid oie oii oim oio oir ois om- omb omc omd ome omh omi omm omo omr oms oo- oob ooc ood ooh ooi oom ooo oor oos or- orb orc ord ore orh ori orm oro orr ors os- osb osc osd ose osh osi osm oso osr oss rbb rbc rbd rbe rbh rbi rbm rbo rbr rbs rcb rcc rcd rce rch rci rcm rco rcr rcs rdb rdc rdd rde rdh rdi rdm rdo rdr rds re- reb rec red ree reh rei rem reo rer res rh- rhb rhc rhd rhe rhh rhi rhm rho rhr rhs rib ric rid rie rih rii rim rio rir ris rmb rmc rmd rme rmh rmi rmm rmo rmr rms rob roc rod roe roh roi rom roo ror ros rrb rrc rrd rrh rri rrm rrr rrs rsb rsc rsd rse rsh rsi rsm rso rsr rss sbb sbc sbd sbe sbh sbi sbm sbo sbr sbs scb scc scd sce sch sci scm sco scr scs sdb sdc sdd sde sdh sdi sdm sdo sdr sds se- seb sec sed see seh sei sem seo ser ses sh- shb shc shd she shh shi shm sho shr shs sib sic sid sie sih sii sim sio sir sis smb smc smd sme smh smi smm smo smr sms sob soc sod soe soh soi som soo sor