-er -ic -th bbb bbc bbd bbe bbf bbg bbh bbi bbl bbr bbs bbt bcb bcc bcd bce bcf bcg bch bci bcl bcr bcs bct bdb bdc bdd bde bdf bdg bdh bdi bdl bdr bds bdt be- beb bec bed bee bef beg beh bei bel ber bes bet bfb bfc bfd bfe bff bfg bfh bfi bfl bfr bfs bft bgb bgc bgd bge bgf bgg bgh bgi bgl bgr bgs bgt bhb bhc bhd bhe bhf bhg bhh bhi bhl bhr bhs bht bi- bib bic bid bie bif big bih bii bil bir bis bit blb blc bld ble blf blg blh bli bll blr bls blt brb brd bre brf brg brh bri brl brr brs brt bsb bsc bsd bse bsf bsg bsh bsi bsl bsr bss bst btb btc btd bte btf btg bth bti btl btr bts btt c-- cbb cbc cbd cbe cbf cbg cbh cbi cbl cbr cbs cbt ccb ccc ccd cce ccf ccg cch cci ccl ccr ccs cct cdb cdc cdd cde cdf cdg cdh cdi cdl cdr cds cdt ce- ceb cec ced cee cef ceg ceh cei cel cer ces cet cfb cfc cfd cfe cff cfg cfh cfi cfl cfr cfs cft cgb cgc cgd cge cgg cgh cgi cgl cgr cgs cgt ch- chb chc chd che chf chg chh chi chl chr chs cht ci- cib cic cid cie cif cig cih cii cil cir cis cit cl- clb clc cld cle clf clg clh cli cll clr cls clt crb crc crd cre crf crg crh cri crl crr crs crt csb csc csd cse csf csg csh csi csl csr css cst ctb ctc ctd cte ctf ctg cth cti ctl ctr cts ctt dbb dbc dbd dbe dbf dbg dbh dbi dbl dbr dbs dbt dcb dcc dcd dce dcf dcg dci dcl dcr dcs dct ddb ddc ddd dde ddf ddg ddh ddi ddl ddr dds ddt de- deb dec ded dee def deg deh dei del der des det dfb dfc dfd dfe dff dfg dfh dfi dfl dfr dfs dft dgc dgd dge dgf dgg dgh dgi dgl dgr dgs dgt dh- dhb dhc dhd dhe dhf dhh dhi dhl dhr dhs dht di- dib dic did die dif dig dih dii dil dir dis dit dl- dlb dlc dld dle dlf dlg dlh dli dll dlr dls dlt drb drc drd dre drg dri drl drr drs drt dsb dsc dsd dse dsf dsg dsh dsi dsl dsr dss dst dtb dtc dtd dte dtf dtg dth dti dtl dtr dts dtt ebb ebc ebd ebe ebf ebg ebh ebi ebl ebr ebs ebt ec- ecb ecc ecd ece ecf ecg ech eci ecl ecr ecs ect ed- edb edc edd ede edf edg edh edi edl edr eds edt eeb eec eed eee eef eeg eel eer ees eet ef- efb efc efd efe eff efg efh efi efl efr efs eft egb egc egd ege egf egg egh egi egl egr egs egt ehb ehc ehd ehe ehf ehg ehh ehi ehl ehr ehs eht eib eic eid eie eif eig eii eil eir eis eit elb elc eld ele elf elg elh eli ell elr els elt erb erc erd ere erf erg erh eri erl err ers ert es- esb esc esd ese esf esg esh esi esl esr ess est etb etc etd ete etf etg eth eti etl etr ets ett fbb fbc fbd fbe fbf fbg fbh fbi fbl fbr fbs fbt fcb fcc fcd fce fcf fcg fci fcl fcr fcs fct fdb fdc fdd fde fdf fdg fdh fdi fdl fdr fds fdt feb fec fed fee fef feg feh fei fel fer fes fet ffc ffd ffe fff ffg ffh ffi ffl ffr ffs fft fgb fgc fgd fge fgf fgg fgh fgi fgl fgr fgs fgt fhb fhc fhe fhf fhg fhh fhi fhl fhr fhs fib fic fid fie fif fig fih fii fil fir fis fit flb flc fld fle flf flg fli fll flr fls flt frb frc frd fre frf frg frh fri frl frr frs frt fsb fsc fsd fse fsf fsg fsh fsi fsl fsr fss fst ftb ftc ftd fte ftf ftg fth fti ftl ftr fts ftt g-d gbc gbd gbe gbf gbg gbh gbi gbl gbr gbs gbt gcb gcc gcd gce gcf gcg gch gci gcl gcr gcs gct gdb gdc gdd gde gdf gdh gdi gdl gdr gds gdt ge- geb gec ged gee gef geg geh gei gel ger ges get gfb gfc gfd gfe gff gfh gfi gfl gfr gfs gft ggb ggc ggd ggg ggh ggi ggr ggs ggt ghb ghc ghd ghe ghg ghh ghi ghl ghr ghs ght gib gic gid gie gif gig gih gii gil gir gis git glb glc gld gle glf glg glh gli gll glr gls glt grb grc grd gre grf grg grh gri grl grr grs grt gsb gsc gsd gse gsf gsg gsi gsl gsr gss gst gtb gtc gtd gte gtf gtg gth gti gtl gtr gts gtt h-i hbb hbc hbd hbe hbf hbg hbh hbi hbl hbr hbs hbt hcb hcc hcd hce hcf hcg hch hci hcl hcr hcs hct hdb hdc hdd hde hdf hdg hdh hdi hdl hdr hds hdt he- heb hec hed hee hef heg heh hei hel her hes het hfb hfc hfd hfe hff hfg hfh hfi hfl hfr hfs hft hgb hgc hge hgf hgg hgh hgi hgl hgr hgs hgt hhb hhc hhd hhe hhf hhg hhh hhi hhl hhr hhs hht hib hic hid hie hif hig hih hii hil hir his hit hlb hlc hld hle hlf hlg hlh hli hll hlr hls hlt hr- hrb hrc hrd hre hrf hrg hrh hri hrl hrr hrs hrt hsb hsc hsd hse hsf hsg hsh hsi hsl hsr hss hst htb htc htd hte htf