-er -ic bbb bbc bbd bbe bbh bbi bbo bbr bbs bcb bcc bcd bce bch bci bco bcr bcs bdb bdc bdd bde bdh bdi bdo bdr bds be- beb bec bed bee beh bei beo ber bes bhb bhc bhd bhe bhh bhi bho bhr bhs bi- bib bic bid bie bih bii bio bir bis bob boc bod boe boh boi boo bor bos brb brd bre brh bri bro brr brs bsb bsc bsd bse bsh bsi bso bsr bss c-- cbb cbc cbd cbe cbh cbi cbo cbr cbs ccb ccc ccd cce cch cci cco ccr ccs cdb cdc cdd cde cdh cdi cdo cdr cds ce- ceb cec ced cee ceh cei ceo cer ces ch- chb chc chd che chh chi cho chr chs ci- cib cic cid cie cih cii cio cir cis co- cob coc cod coe coh coi coo cor cos crb crc crd cre crh cri cro crr crs csb csc csd cse csh csi cso csr css dbb dbc dbd dbe dbh dbi dbo dbr dbs dcb dcc dcd dce dci dco dcr dcs ddb ddc ddd dde ddh ddi ddo ddr dds de- deb dec ded dee deh dei deo der des dh- dhb dhc dhd dhe dhh dhi dho dhr dhs di- dib dic did die dih dii dio dir dis dob doc dod doe doh doi doo dor dos drb drc drd dre dri dro drr drs dsb dsc dsd dse dsh dsi dso dsr dss ebb ebc ebd ebe ebh ebi ebo ebr ebs ec- ecb ecc ecd ece ech eci eco ecr ecs ed- edb edc edd ede edh edi edo edr eds eeb eec eed eee eeo eer ees ehb ehc ehd ehe ehh ehi eho ehr ehs eib eic eid eie eii eio eir eis eo- eob eoc eod eoe eoh eoi eoo eor eos erb erc erd ere erh eri ero err ers es- esb esc esd ese esh esi eso esr ess h-i hbb hbc hbd hbe hbh hbi hbo hbr hbs hcb hcc hcd hce hch hci hco hcr hcs hdb hdc hdd hde hdh hdi hdo hdr hds he- heb hec hed hee heh hei heo her hes hhb hhc hhd hhe hhh hhi hho hhr hhs hib hic hid hie hih hii hio hir his hob hoc hod hoe hoh hoi hoo hor hos hr- hrb hrc hrd hre hrh hri hro hrr hrs hsb hsc hsd hse hsh hsi hsr hss i-d ibb ibc ibd ibe ibh ibi ibo ibr ibs icb icc icd ice ich ici ico icr ics idb idc idd ide idh idi ido idr ids ie- iec ied iee iei ier ies ihb ihc ihd ihe ihh ihi iho ihr ihs iib iic iid iie iih iii iio iir iis io- iob ioc iod ioe ioh ioi ioo ior ios ir- irb irc ird ire iri iro irr irs is- isb isc isd ise ish isi iso isr iss o-i ob- obb obc obd obe obh obi obo obr obs oc- ocb occ ocd och oci oco ocr ocs odb odc odd ode odh odi odo odr ods oeb oec oed oee oeh oei oeo oer oes ohc ohd ohe ohh ohi oho ohr ohs oib oic oid oie oii oio oir ois oo- oob ooc ood ooh ooi ooo oor oos or- orb orc ord ore orh ori oro orr ors os- osb osc osd ose osh osi oso osr oss rbb rbc rbd rbe rbh rbi rbo rbr rbs rcb rcc rcd rce rch rci rco rcr rcs rdb rdc rdd rde rdh rdi rdo rdr rds re- reb rec red ree reh rei reo rer res rh- rhb rhc rhd rhe rhh rhi rho rhr rhs rib ric rid rie rih rii rio rir ris rob roc rod roe roh roi roo ror ros rrb rrc rrd rrh rri rrr rrs rsb rsc rsd rse rsh rsi rso rsr rss sbb sbc sbd sbe sbh sbi sbo sbr sbs scb scc scd sce sch sci sco scr scs sdb sdc sdd sde sdh sdi sdo sdr sds se- seb sec sed see seh sei seo ser ses sh- shb shc shd she shh shi sho shr shs sib sic sid sie sih sii sio sir sis sob soc sod soe soh soi soo sor sos sr- srb src srd sre srh sri sro srr srs ss- ssb ssc ssd sse ssh ssi sso ssr sss