-er -ic bbb bbc bbd bbe bbf bbh bbi bbo bbr bbs bcb bcc bcd bce bcf bch bci bco bcr bcs bdb bdc bdd bde bdf bdh bdi bdo bdr bds be- beb bec bed bee bef beh bei beo ber bes bfb bfc bfd bfe bff bfh bfi bfo bfr bfs bhb bhc bhd bhe bhf bhh bhi bho bhr bhs bi- bib bic bid bie bif bih bii bio bir bis bob boc bod boe bof boh boi boo bor bos brb brd bre brf brh bri bro brr brs bsb bsc bsd bse bsf bsh bsi bso bsr bss c-- cbb cbc cbd cbe cbf cbh cbi cbo cbr cbs ccb ccc ccd cce ccf cch cci cco ccr ccs cdb cdc cdd cde cdf cdh cdi cdo cdr cds ce- ceb cec ced cee cef ceh cei ceo cer ces cfb cfc cfd cfe cff cfh cfi cfo cfr cfs ch- chb chc chd che chf chh chi cho chr chs ci- cib cic cid cie cif cih cii cio cir cis co- cob coc cod coe cof coh coi coo cor cos crb crc crd cre crf crh cri cro crr crs csb csc csd cse csf csh csi cso csr css dbb dbc dbd dbe dbf dbh dbi dbo dbr dbs dcb dcc dcd dce dcf dci dco dcr dcs ddb ddc ddd dde ddf ddh ddi ddo ddr dds de- deb dec ded dee def deh dei deo der des dfb dfc dfd dfe dff dfh dfi dfo dfr dfs dh- dhb dhc dhd dhe dhf dhh dhi dho dhr dhs di- dib dic did die dif dih dii dio dir dis dob doc dod doe dof doh doi doo dor dos drb drc drd dre dri dro drr drs dsb dsc dsd dse dsf dsh dsi dso dsr dss ebb ebc ebd ebe ebf ebh ebi ebo ebr ebs ec- ecb ecc ecd ece ecf ech eci eco ecr ecs ed- edb edc edd ede edf edh edi edo edr eds eeb eec eed eee eef eeo eer ees ef- efb efc efd efe eff efh efi efo efr efs ehb ehc ehd ehe ehf ehh ehi eho ehr ehs eib eic eid eie eif eii eio eir eis eo- eob eoc eod eoe eof eoh eoi eoo eor eos erb erc erd ere erf erh eri ero err ers es- esb esc esd ese esf esh esi eso esr ess fbb fbc fbd fbe fbf fbh fbi fbo fbr fbs fcb fcc fcd fce fcf fci fco fcr fcs fdb fdc fdd fde fdf fdh fdi fdo fdr fds feb fec fed fee fef feh fei feo fer fes ffc ffd ffe fff ffh ffi ffo ffr ffs fhb fhc fhe fhf fhh fhi fho fhr fhs fib fic fid fie fif fih fii fir fis fob foc foe fof foh foi foo for fos frb frc frd fre frf frh fri fro frr frs fsb fsc fsd fse fsf fsh fsi fso fsr fss h-i hbb hbc hbd hbe hbf hbh hbi hbo hbr hbs hcb hcc hcd hce hcf hch hci hco hcr hcs hdb hdc hdd hde hdf hdh hdi hdo hdr hds he- heb hec hed hee hef heh hei heo her hes hfb hfc hfd hfe hff hfh hfi hfo hfr hfs hhb hhc hhd hhe hhf hhh hhi hho hhr hhs hib hic hid hie hif hih hii hio hir his hob hoc hod hoe hof hoh hoi hoo hor hos hr- hrb hrc hrd hre hrf hrh hri hro hrr hrs hsb hsc hsd hse hsf hsh hsi hsr hss i-d i-f ibb ibc ibd ibe ibf ibh ibi ibo ibr ibs icb icc icd ice icf ich ici ico icr ics idb idc idd ide idf idh idi ido idr ids ie- iec ied iee ief iei ier ies ifb ifc ifd ife iff ifi ifo ifr ifs ihb ihc ihd ihe ihf ihh ihi iho ihr ihs iib iic iid iie iif iih iii iio iir iis io- iob ioc iod ioe iof ioh ioi ioo ior ios ir- irb irc ird ire irf iri iro irr irs is- isb isc isd ise isf ish isi iso isr iss o-i ob- obb obc obd obe obf obh obi obo obr obs oc- ocb occ ocd ocf och oci oco ocr ocs odb odc odd ode odf odh odi odo odr ods oeb oec oed oee oef oeh oei oeo oer oes of- ofb ofc ofd ofe off ofi ofo ofr ofs ohc ohd ohe ohf ohh ohi oho ohr ohs oib oic oid oie oif oii oio oir ois oo- oob ooc ood oof ooh ooi ooo oor oos or- orb orc ord ore orf orh ori oro orr ors os- osb osc osd ose osf osh osi oso osr oss rbb rbc rbd rbe rbf rbh rbi rbo rbr rbs rcb rcc rcd rce rcf rch rci rco rcr rcs rdb rdc rdd rde rdf rdh rdi rdo rdr rds re- reb rec red ree ref reh rei reo rer res rfb rfc rfd rfe rff rfh rfi rfo rfr rfs rh- rhb rhc rhd rhe rhf rhh rhi rho rhr rhs rib ric rid rie rif rih rii rio rir ris rob roc rod roe rof roh roi roo ror ros rrb rrc rrd rrf rrh rri rrr rrs rsb rsc rsd rse rsf rsh rsi rso rsr rss sbb sbc sbd sbe sbf sbh sbi sbo sbr sbs scb scc scd sce scf sch sci sco scr scs sdb sdc sdd sde sdf sdh sdi sdo sdr sds se- seb sec sed see sef seh sei seo ser ses sfb sfc sfd sfe sff sfh sfi sfo sfr sfs sh- shb shc shd she shf shh shi sho shr shs sib sic sid sie sif sih sii sio sir sis sob soc sod soe sof soh soi soo sor sos sr- srb src srd sre srf srh sri