-er -ic -ol b-p bbb bbc bbe bbg bbh bbi bbl bbo bbp bbr bbs bcb bcc bce bcg bch bci bcl bco bcp bcr bcs be- beb bec bee beg beh bei bel beo bep ber bes bgb bgc bge bgg bgh bgi bgl bgo bgp bgr bgs bhb bhc bhe bhg bhh bhi bhl bho bhp bhr bhs bi- bib bic bie big bih bii bil bio bip bir bis blb blc ble blg blh bli bll blo blp blr bls bob boc boe bog boh boi bol boo bop bor bos bpb bpc bpe bpg bph bpi bpl bpo bpp bpr bps brb bre brg brh bri brl bro brp brr brs bsb bsc bse bsg bsh bsi bsl bso bsp bsr bss c-- cbb cbc cbe cbg cbh cbi cbl cbo cbp cbr cbs ccb ccc cce ccg cch cci ccl cco ccp ccr ccs ce- ceb cec cee ceg ceh cei cel ceo cep cer ces cgb cgc cge cgg cgh cgi cgl cgo cgp cgr cgs ch- chb chc che chg chh chi chl cho chp chr chs ci- cib cic cie cig cih cii cil cio cip cir cis cl- clb clc cle clg clh cli cll clo clp clr cls co- cob coc coe cog coh coi col coo cop cor cos cpb cpc cpe cpg cph cpi cpl cpo cpp cpr cps crb crc cre crg crh cri crl cro crp crr crs csb csc cse csg csh csi csl cso csp csr css ebb ebc ebe ebg ebh ebi ebl ebo ebp ebr ebs ec- ecb ecc ece ecg ech eci ecl eco ecr ecs eeb eec eee eeg eel eeo eep eer ees egb egc ege egg egh egi egl ego egp egr egs ehb ehc ehe ehg ehh ehi ehl eho ehp ehr ehs eib eic eie eig eii eil eio eip eir eis elb elc ele elg elh eli ell elo elp elr els eo- eob eoc eoe eog eoh eoi eol eoo eop eor eos ep- epb epc epe epg eph epi epl epo epp epr eps erb erc ere erg erh eri erl ero erp err ers es- esb esc ese esg esh esi esl eso esp esr ess g-p gbc gbe gbg gbh gbi gbl gbo gbp gbr gbs gcb gcc gce gcg gch gci gcl gco gcp gcr gcs ge- geb gec gee geg geh gei gel geo gep ger ges ggb ggc ggg ggh ggi ggo ggp ggr ggs ghb ghc ghe ghg ghh ghi ghl gho ghp ghr ghs gib gic gie gig gih gii gil gio gip gir gis glb glc gle glg glh gli gll glo glp glr gls gob goc goe gog goh goi gol goo gop gor gos gpb gpc gpe gpg gph gpi gpl gpo gpp gpr gps grb grc gre grg grh gri grl gro grp grr grs gsb gsc gse gsg gsi gsl gso gsp gsr gss h-i hbb hbc hbe hbg hbh hbi hbl hbo hbp hbr hbs hcb hcc hce hcg hch hci hcl hco hcp hcr hcs he- heb hec hee heg heh hei hel heo hep her hes hgb hgc hge hgg hgh hgi hgl hgo hgp hgr hgs hhb hhc hhe hhg hhh hhi hhl hho hhp hhr hhs hib hic hie hig hih hii hil hio hip hir his hlb hlc hle hlg hlh hli hll hlo hlp hlr hls hob hoc hoe hog hoh hoi hol hoo hop hor hos hpb hpc hpe hpg hph hpi hpl hpo hpp hpr hps hr- hrb hrc hre hrg hrh hri hrl hro hrp hrr hrs hsb hsc hse hsg hsh hsi hsl hsp hsr hss ibb ibc ibe ibg ibh ibi ibl ibo ibp ibr ibs icb icc ice icg ich ici icl ico icp icr ics ie- iec iee ieg iei iel iep ier ies igb igc ige igg igh igi igl igo igp igr igs ihb ihc ihe ihg ihh ihi ihl iho ihp ihr ihs iib iic iie iih iii iil iio iip iir iis il- ilb ilc ile ilg ilh ili ill ilo ilp ilr ils io- iob ioc ioe iog ioh ioi iol ioo iop ior ios ipb ipc ipe ipg ipi ipl ipo ipp ipr ips ir- irb irc ire irg iri irl iro irp irr irs is- isb isc ise isg ish isi isl iso isp isr iss l-p lbb lbc lbe lbg lbh lbi lbl lbo lbp lbr lbs lcb lcc lce lcg lch lci lcl lco lcp lcr lcs leb lec lee leg leh lei lel leo lep ler les lgb lgc lge lgg lgh lgi lgl lgo lgp lgr lgs lhb lhc lhh lhi lho lhp lhr lhs lib lic lie lig lih lii lil lio lip lir lis llb llc lle llg lli lll llo llp llr lls lob loc loe log loh loi lol loo lop lor los lpb lpc lpe lpg lph lpi lpl lpo lpp lpr lps lrb lrc lrg lrh lri lro lrp lrr lrs lsb lsc lse lsg lsh lsi lsl lso lsp lsr lss o-i ob- obb obc obe obg obh obi obl obo obp obr obs oc- ocb occ ocg och oci ocl oco ocp ocr ocs oeb oec oee oeg oeh oei oel oeo oep oer oes ogc oge ogg ogh ogi ogl ogo ogp ogs ohc ohe ohg ohh ohi ohl oho ohp ohr ohs oib oic oie oii oil oio oip oir ois olb olc ole olg oli oll olo olp ols oo- oob ooc oog ooh ooi ool ooo oop oor oos op- opb opc ope opg oph opi opl opo opp opr ops or- orb orc ore org orh ori orl oro orp orr ors os- osb osc ose osg osh osi osl oso osp osr oss p-p pbb pbc pbe pbg pbi pbl pbo pbp pbr pbs pcb pcc pce pcg pch pci pcl pco pcp pcr pcs peb pec pee peg peh pei pel