-er -ic bbb bbc bbd bbe bbf bbg bbh bbi bbn bbo bbr bbs bcb bcc bcd bce bcf bcg bch bci bcn bco bcr bcs bdb bdc bdd bde bdf bdg bdh bdi bdo bdr bds be- beb bec bed bee bef beg beh bei ben beo ber bes bfb bfc bfd bfe bff bfg bfh bfi bfn bfo bfr bfs bgb bgc bgd bge bgf bgg bgh bgi bgn bgo bgr bgs bhb bhc bhd bhe bhf bhg bhh bhi bho bhr bhs bi- bib bic bid bie bif big bih bii bin bio bir bis bnb bnc bnd bne bnf bng bni bnn bno bnr bns bob boc bod boe bof bog boh boi bon boo bor bos brb brd bre brf brg brh bri brn bro brr brs bsb bsc bsd bse bsf bsg bsh bsi bsn bso bsr bss c-- cbb cbc cbd cbe cbf cbg cbh cbi cbn cbo cbr cbs ccb ccc ccd cce ccf ccg cch cci ccn cco ccr ccs cdb cdc cdd cde cdf cdg cdh cdi cdn cdo cdr cds ce- ceb cec ced cee cef ceg ceh cei cen ceo cer ces cfb cfc cfd cfe cff cfg cfh cfi cfn cfo cfr cfs cgb cgc cgd cge cgg cgh cgi cgn cgo cgr cgs ch- chb chc chd che chf chg chh chi chn cho chr chs ci- cib cic cid cie cif cig cih cii cin cio cir cis cn- cnb cnc cnd cne cnf cng cnh cni cnn cno cnr cns co- cob coc cod coe cof cog coh coi con coo cor cos crb crc crd cre crf crg crh cri crn cro crr crs csb csc csd cse csf csg csh csi csn cso csr css dbb dbc dbd dbe dbf dbg dbh dbi dbn dbo dbr dbs dcb dcc dcd dce dcf dcg dci dcn dco dcr dcs ddb ddc ddd dde ddf ddg ddh ddi ddn ddo ddr dds de- deb dec ded dee def deg deh dei den deo der des dfb dfc dfd dfe dff dfg dfh dfi dfn dfo dfr dfs dgc dgd dge dgf dgg dgh dgi dgn dgr dgs dh- dhb dhc dhd dhe dhf dhh dhi dho dhr dhs di- dib dic did die dif dig dih dii din dio dir dis dnb dnc dnd dne dnf dng dnh dni dnn dno dnr dns dob doc dod doe dof dog doh doi don doo dor dos drb drc drd dre drg dri drn dro drr drs dsb dsc dsd dse dsf dsg dsh dsi dsn dso dsr dss ebb ebc ebd ebe ebf ebg ebh ebi ebn ebo ebr ebs ec- ecb ecc ecd ece ecf ecg ech eci ecn eco ecr ecs ed- edb edc edd ede edf edg edh edi edn edo edr eds eeb eec eed eee eef eeg een eeo eer ees ef- efb efc efd efe eff efg efh efi efo efr efs egb egc egd ege egf egg egh egi egn ego egr egs ehb ehc ehd ehe ehf ehg ehh ehi ehn eho ehr ehs eib eic eid eie eif eig eii ein eio eir eis en- enb enc end ene enf eng enh eni enn eno enr ens eo- eob eoc eod eoe eof eog eoh eoi eon eoo eor eos erb erc erd ere erf erg erh eri ern ero err ers es- esb esc esd ese esf esg esh esi esn eso esr ess fbb fbc fbd fbe fbf fbg fbh fbi fbn fbo fbr fbs fcb fcc fcd fce fcf fcg fci fcn fco fcr fcs fdb fdc fdd fde fdf fdg fdh fdi fdn fdo fdr fds feb fec fed fee fef feg feh fei fen feo fer fes ffc ffd ffe fff ffg ffh ffi ffn ffo ffr ffs fgb fgc fgd fge fgf fgg fgh fgi fgn fgr fgs fhb fhc fhe fhf fhg fhh fhi fhn fho fhr fhs fib fic fid fie fif fig fih fii fin fir fis fnb fnc fnd fne fnf fng fnh fni fnn fnr fns fob foc foe fof fog foh foi fon foo for fos frb frc frd fre frf frg frh fri frn fro frr frs fsb fsc fsd fse fsf fsg fsh fsi fsn fso fsr fss g-d gbc gbd gbe gbf gbg gbh gbi gbn gbo gbr gbs gcb gcc gcd gce gcf gcg gch gci gcn gco gcr gcs gdb gdc gdd gde gdf gdh gdi gdn gdo gdr gds ge- geb gec ged gee gef geg geh gei gen geo ger ges gfb gfc gfd gfe gff gfh gfi gfo gfr gfs ggb ggc ggd ggg ggh ggi ggn ggo ggr ggs ghb ghc ghd ghe ghg ghh ghi ghn gho ghr ghs gib gic gid gie gif gig gih gii gin gio gir gis gnb gnc gnd gne gnf gni gnn gno gnr gns gob goc god goe gof gog goh goi gon goo gor gos grb grc grd gre grf grg grh gri grn gro grr grs gsb gsc gsd gse gsf gsg gsi gsn gso gsr gss h-i hbb hbc hbd hbe hbf hbg hbh hbi hbn hbo hbr hbs hcb hcc hcd hce hcf hcg hch hci hcn hco hcr hcs hdb hdc hdd hde hdf hdg hdh hdi hdn hdo hdr hds he- heb hec hed hee hef heg heh hei hen heo her hes hfb hfc hfd hfe hff hfg hfh hfi hfn hfo hfr hfs hgb hgc hge hgf hgg hgh hgi hgn hgo hgr hgs hhb hhc hhd hhe hhf hhg hhh hhi hhn hho hhr hhs hib hic hid hie hif hig hih hii hin hio hir his hnb hnc hnd hne hnf hng hnh hnn hno hns hob hoc hod hoe hof hog hoh hoi hon hoo hor hos hr- hrb hrc hrd hre hrf hrg hrh hri hrn hro hrr hrs hsb hsc hsd hse hsf hsg hsh hsi hsn hsr hss i-d i-f ibb ibc ibd