-er -ic -ol -th b-p bbb bbc bbe bbf bbg bbh bbi bbl bbo bbp bbr bbt bcb bcc bce bcf bcg bch bci bcl bco bcp bcr bct be- beb bec bee bef beg beh bei bel beo bep ber bet bfb bfc bfe bff bfg bfh bfi bfl bfo bfp bfr bft bgb bgc bge bgf bgg bgh bgi bgl bgo bgp bgr bgt bhb bhc bhe bhf bhg bhh bhi bhl bho bhp bhr bht bi- bib bic bie bif big bih bii bil bio bip bir bit blb blc ble blf blg blh bli bll blo blp blr blt bob boc boe bof bog boh boi bol boo bop bor bot bpb bpc bpe bpf bpg bph bpi bpl bpo bpp bpr bpt brb bre brf brg brh bri brl bro brp brr brt btb btc bte btf btg bth bti btl bto btp btr btt c-- cbb cbc cbe cbf cbg cbh cbi cbl cbo cbp cbr cbt ccb ccc cce ccf ccg cch cci ccl cco ccp ccr cct ce- ceb cec cee cef ceg ceh cei cel ceo cep cer cet cfb cfc cfe cff cfg cfh cfi cfl cfo cfp cfr cft cgb cgc cge cgg cgh cgi cgl cgo cgp cgr cgt ch- chb chc che chf chg chh chi chl cho chp chr cht ci- cib cic cie cif cig cih cii cil cio cip cir cit cl- clb clc cle clf clg clh cli cll clo clp clr clt co- cob coc coe cof cog coh coi col coo cop cor cot cpb cpc cpe cpf cpg cph cpi cpl cpo cpp cpr cpt crb crc cre crf crg crh cri crl cro crp crr crt ctb ctc cte ctf ctg cth cti ctl cto ctp ctr ctt ebb ebc ebe ebf ebg ebh ebi ebl ebo ebp ebr ebt ec- ecb ecc ece ecf ecg ech eci ecl eco ecr ect eeb eec eee eef eeg eel eeo eep eer eet ef- efb efc efe eff efg efh efi efl efo efp efr eft egb egc ege egf egg egh egi egl ego egp egr egt ehb ehc ehe ehf ehg ehh ehi ehl eho ehp ehr eht eib eic eie eif eig eii eil eio eip eir eit elb elc ele elf elg elh eli ell elo elp elr elt eo- eob eoc eoe eof eog eoh eoi eol eoo eop eor eot ep- epb epc epe epf epg eph epi epl epo epp epr ept erb erc ere erf erg erh eri erl ero erp err ert etb etc ete etf etg eth eti etl eto etp etr ett fbb fbc fbe fbf fbg fbh fbi fbl fbo fbp fbr fbt fcb fcc fce fcf fcg fci fcl fco fcp fcr fct feb fec fee fef feg feh fei fel feo fep fer fet ffc ffe fff ffg ffh ffi ffl ffo ffp ffr fft fgb fgc fge fgf fgg fgh fgi fgl fgp fgr fgt fhb fhc fhe fhf fhg fhh fhi fhl fho fhp fhr fib fic fie fif fig fih fii fil fip fir fit flb flc fle flf flg fli fll flo flp flr flt fob foc foe fof fog foh foi fol foo fop for fot fpb fpc fpe fpg fph fpi fpl fpo fpp fpr fpt frb frc fre frf frg frh fri frl fro frp frr frt ftb ftc fte ftf ftg fth fti ftl fto ftp ftr ftt g-p gbc gbe gbf gbg gbh gbi gbl gbo gbp gbr gbt gcb gcc gce gcf gcg gch gci gcl gco gcp gcr gct ge- geb gec gee gef geg geh gei gel geo gep ger get gfb gfc gfe gff gfh gfi gfl gfo gfp gfr gft ggb ggc ggg ggh ggi ggo ggp ggr ggt ghb ghc ghe ghg ghh ghi ghl gho ghp ghr ght gib gic gie gif gig gih gii gil gio gip gir git glb glc gle glf glg glh gli gll glo glp glr glt gob goc goe gof gog goh goi gol goo gop gor got gpb gpc gpe gpf gpg gph gpi gpl gpo gpp gpr gpt grb grc gre grf grg grh gri grl gro grp grr grt gtb gtc gte gtf gtg gth gti gtl gto gtp gtr gtt h-i hbb hbc hbe hbf hbg hbh hbi hbl hbo hbp hbr hbt hcb hcc hce hcf hcg hch hci hcl hco hcp hcr hct he- heb hec hee hef heg heh hei hel heo hep her het hfb hfc hfe hff hfg hfh hfi hfl hfo hfp hfr hft hgb hgc hge hgf hgg hgh hgi hgl hgo hgp hgr hgt hhb hhc hhe hhf hhg hhh hhi hhl hho hhp hhr hht hib hic hie hif hig hih hii hil hio hip hir hit hlb hlc hle hlf hlg hlh hli hll hlo hlp hlr hlt hob hoc hoe hof hog hoh hoi hol hoo hop hor hot hpb hpc hpe hpf hpg hph hpi hpl hpo hpp hpr hpt hr- hrb hrc hre hrf hrg hrh hri hrl hro hrp hrr hrt htb htc hte htf htg hth hti htl hto htp htr htt i-f ibb ibc ibe ibf ibg ibh ibi ibl ibo ibp ibr ibt icb icc ice icf icg ich ici icl ico icp icr ict ie- iec iee ief ieg iei iel iep ier iet ifb ifc ife iff ifg ifi ifl ifo ifp ifr ift igb igc ige igf igg igh igi igl igo igp igr igt ihb ihc ihe ihf ihg ihh ihi ihl iho ihp ihr iht iib iic iie iif iih iii iil iio iip iir iit il- ilb ilc ile ilf ilg ilh ili ill ilo ilp ilr ilt io- iob ioc ioe iof iog ioh ioi iol ioo iop ior iot ipb ipc ipe ipf ipg ipi ipl ipo ipp ipr ipt ir- irb irc ire irf irg iri irl iro irp irr irt itb itc ite