-er -ic -ol bbb bbc bbd bbe bbf bbg bbi bbl bbo bbr bbt bcb bcc bcd bce bcf bcg bci bcl bco bcr bct bdb bdc bdd bde bdf bdg bdi bdl bdo bdr bdt be- beb bec bed bee bef beg bei bel beo ber bet bfb bfc bfd bfe bff bfg bfi bfl bfo bfr bft bgb bgc bgd bge bgf bgg bgi bgl bgo bgr bgt bi- bib bic bid bie bif big bii bil bio bir bit blb blc bld ble blf blg bli bll blo blr blt bob boc bod boe bof bog boi bol boo bor bot brb brd bre brf brg bri brl bro brr brt btb btc btd bte btf btg bti btl bto btr btt c-- cbb cbc cbd cbe cbf cbg cbi cbl cbo cbr cbt ccb ccc ccd cce ccf ccg cci ccl cco ccr cct cdb cdc cdd cde cdf cdg cdi cdl cdo cdr cdt ce- ceb cec ced cee cef ceg cei cel ceo cer cet cfb cfc cfd cfe cff cfg cfi cfl cfo cfr cft cgb cgc cgd cge cgg cgi cgl cgo cgr cgt ci- cib cic cid cie cif cig cii cil cio cir cit cl- clb clc cld cle clf clg cli cll clo clr clt co- cob coc cod coe cof cog coi col coo cor cot crb crc crd cre crf crg cri crl cro crr crt ctb ctc ctd cte ctf ctg cti ctl cto ctr ctt dbb dbc dbd dbe dbf dbg dbi dbl dbo dbr dbt dcb dcc dcd dce dcf dcg dci dcl dco dcr dct ddb ddc ddd dde ddf ddg ddi ddl ddo ddr ddt de- deb dec ded dee def deg dei del deo der det dfb dfc dfd dfe dff dfg dfi dfl dfo dfr dft dgc dgd dge dgf dgg dgi dgl dgr dgt di- dib dic did die dif dig dii dil dio dir dit dl- dlb dlc dld dle dlf dlg dli dll dlo dlr dlt dob doc dod doe dof dog doi dol doo dor dot drb drc drd dre drg dri drl dro drr drt dtb dtc dtd dte dtf dtg dti dtl dto dtr dtt ebb ebc ebd ebe ebf ebg ebi ebl ebo ebr ebt ec- ecb ecc ecd ece ecf ecg eci ecl eco ecr ect ed- edb edc edd ede edf edg edi edl edo edr edt eeb eec eed eee eef eeg eel eeo eer eet ef- efb efc efd efe eff efg efi efl efo efr eft egb egc egd ege egf egg egi egl ego egr egt eib eic eid eie eif eig eii eil eio eir eit elb elc eld ele elf elg eli ell elo elr elt eo- eob eoc eod eoe eof eog eoi eol eoo eor eot erb erc erd ere erf erg eri erl ero err ert etb etc etd ete etf etg eti etl eto etr ett fbb fbc fbd fbe fbf fbg fbi fbl fbo fbr fbt fcb fcc fcd fce fcf fcg fci fcl fco fcr fct fdb fdc fdd fde fdf fdg fdi fdl fdo fdr fdt feb fec fed fee fef feg fei fel feo fer fet ffc ffd ffe fff ffg ffi ffl ffo ffr fft fgb fgc fgd fge fgf fgg fgi fgl fgr fgt fib fic fid fie fif fig fii fil fir fit flb flc fld fle flf flg fli fll flo flr flt fob foc foe fof fog foi fol foo for fot frb frc frd fre frf frg fri frl fro frr frt ftb ftc ftd fte ftf ftg fti ftl fto ftr ftt g-d gbc gbd gbe gbf gbg gbi gbl gbo gbr gbt gcb gcc gcd gce gcf gcg gci gcl gco gcr gct gdb gdc gdd gde gdf gdi gdl gdo gdr gdt ge- geb gec ged gee gef geg gei gel geo ger get gfb gfc gfd gfe gff gfi gfl gfo gfr gft ggb ggc ggd ggg ggi ggo ggr ggt gib gic gid gie gif gig gii gil gio gir git glb glc gld gle glf glg gli gll glo glr glt gob goc god goe gof gog goi gol goo gor got grb grc grd gre grf grg gri grl gro grr grt gtb gtc gtd gte gtf gtg gti gtl gto gtr gtt i-d i-f ibb ibc ibd ibe ibf ibg ibi ibl ibo ibr ibt icb icc icd ice icf icg ici icl ico icr ict idb idc idd ide idf idg idi idl ido idr idt ie- iec ied iee ief ieg iei iel ier iet ifb ifc ifd ife iff ifg ifi ifl ifo ifr ift igb igc igd ige igf igg igi igl igo igr igt iib iic iid iie iif iii iil iio iir iit il- ilb ilc ild ile ilf ilg ili ill ilo ilr ilt io- iob ioc iod ioe iof iog ioi iol ioo ior iot ir- irb irc ird ire irf irg iri irl iro irr irt itb itc itd ite itf itg iti itl ito itt lbb lbc lbd lbe lbf lbg lbi lbl lbo lbr lbt lcb lcc lcd lce lcf lcg lci lcl lco lcr lct ldb ldc ldd lde ldf ldg ldi ldl ldo ldr ldt leb lec led lee lef leg lei lel leo ler let lfb lfc lfd lfe lff lfg lfi lfl lfo lfr lft lgb lgc lgd lge lgf lgg lgi lgl lgo lgr lgt lib lic lid lie lif lig lii lil lio lir lit llb llc lld lle llf llg lli lll llo llr llt lob loc lod loe lof log loi lol loo lor lot lrb lrc lrd lrf lrg lri lro lrr lrt ltb ltc ltd lte ltf ltg lti ltl lto ltr ltt o-i ob- obb obc obd obe obf obg obi obl obo obr obt oc- ocb occ ocd ocf ocg oci ocl oco ocr oct odb odc odd ode odf