-er -ol b-p bbb bbe bbg bbh bbi bbl bbo bbp bbr bbs be- beb bee beg beh bei bel beo bep ber bes bgb bge bgg bgh bgi bgl bgo bgp bgr bgs bhb bhe bhg bhh bhi bhl bho bhp bhr bhs bi- bib bie big bih bii bil bio bip bir bis blb ble blg blh bli bll blo blp blr bls bob boe bog boh boi bol boo bop bor bos bpb bpe bpg bph bpi bpl bpo bpp bpr bps brb bre brg brh bri brl bro brp brr brs bsb bse bsg bsh bsi bsl bso bsp bsr bss ebb ebe ebg ebh ebi ebl ebo ebp ebr ebs eeb eee eeg eel eeo eep eer ees egb ege egg egh egi egl ego egp egr egs ehb ehe ehg ehh ehi ehl eho ehp ehr ehs eib eie eig eii eil eio eip eir eis elb ele elg elh eli ell elo elp elr els eo- eob eoe eog eoh eoi eol eoo eop eor eos ep- epb epe epg eph epi epl epo epp epr eps erb ere erg erh eri erl ero erp err ers es- esb ese esg esh esi esl eso esp esr ess g-p gbe gbg gbh gbi gbl gbo gbp gbr gbs ge- geb gee geg geh gei gel geo gep ger ges ggb ggg ggh ggi ggo ggp ggr ggs ghb ghe ghg ghh ghi ghl gho ghp ghr ghs gib gie gig gih gii gil gio gip gir gis glb gle glg glh gli gll glo glp glr gls gob goe gog goh goi gol goo gop gor gos gpb gpe gpg gph gpi gpl gpo gpp gpr gps grb gre grg grh gri grl gro grp grr grs gsb gse gsg gsi gsl gso gsp gsr gss h-i hbb hbe hbg hbh hbi hbl hbo hbp hbr hbs he- heb hee heg heh hei hel heo hep her hes hgb hge hgg hgh hgi hgl hgo hgp hgr hgs hhb hhe hhg hhh hhi hhl hho hhp hhr hhs hib hie hig hih hii hil hio hip hir his hlb hle hlg hlh hli hll hlo hlp hlr hls hob hoe hog hoh hoi hol hoo hop hor hos hpb hpe hpg hph hpi hpl hpo hpp hpr hps hr- hrb hre hrg hrh hri hrl hro hrp hrr hrs hsb hse hsg hsh hsi hsl hsp hsr hss ibb ibe ibg ibh ibi ibl ibo ibp ibr ibs ie- iee ieg iei iel iep ier ies igb ige igg igh igi igl igo igp igr igs ihb ihe ihg ihh ihi ihl iho ihp ihr ihs iib iie iih iii iil iio iip iir iis il- ilb ile ilg ilh ili ill ilo ilp ilr ils io- iob ioe iog ioh ioi iol ioo iop ior ios ipb ipe ipg ipi ipl ipo ipp ipr ips ir- irb ire irg iri irl iro irp irr irs is- isb ise isg ish isi isl iso isp isr iss l-p lbb lbe lbg lbh lbi lbl lbo lbp lbr lbs leb lee leg leh lei lel leo lep ler les lgb lge lgg lgh lgi lgl lgo lgp lgr lgs lhb lhh lhi lho lhp lhr lhs lib lie lig lih lii lil lio lip lir lis llb lle llg lli lll llo llp llr lls lob loe log loh loi lol loo lop lor los lpb lpe lpg lph lpi lpl lpo lpp lpr lps lrb lrg lrh lri lro lrp lrr lrs lsb lse lsg lsh lsi lsl lso lsp lsr lss o-i ob- obb obe obg obh obi obl obo obp obr obs oeb oee oeg oeh oei oel oeo oep oer oes oge ogg ogh ogi ogl ogo ogp ogs ohe ohg ohh ohi ohl oho ohp ohr ohs oib oie oii oil oio oip oir ois olb ole olg oli oll olo olp ols oo- oob oog ooh ooi ool ooo oop oor oos op- opb ope opg oph opi opl opo opp opr ops or- orb ore org orh ori orl oro orp orr ors os- osb ose osg osh osi osl oso osp osr oss p-p pbb pbe pbg pbi pbl pbo pbp pbr pbs peb pee peg peh pei pel peo pep per pes pgb pge pgg pgh pgi pgl pgo pgp pgr pgs phb phe phg phi phl pho php phr phs pib pie pig pih pii pil pio pip pir pis plb ple plg plh pli pll plo plp plr pls pob poe pog poh poi pol poo pop por pos ppb ppe ppg pph ppi ppl ppo ppp ppr pps prb pre prg prh pri prl pro prp prr prs ps- psb pse psg psh psi psl pso psp psr pss rbb rbe rbg rbh rbi rbl rbo rbp rbr rbs re- reb ree reg reh rei rel reo rep rer res rgb rge rgg rgh rgi rgo rgp rgr rgs rh- rhb rhe rhg rhh rhi rhl rho rhp rhr rhs rib rie rig rih rii ril rio rip rir ris rle rlg rlh rli rll rlo rlp rlr rls rob roe rog roh roi rol roo rop ror ros rpb rpe rpg rph rpi rpl rpo rpp rpr rps rrb rrg rrh rri rrl rrp rrr rrs rsb rse rsg rsh rsi rsl rso rsp rsr rss sbb sbe sbg sbh sbi sbl sbo sbp sbr sbs se- seb see seg seh sei sel seo sep ser ses sgb sge sgg sgh sgi sgl sgo sgp sgr sgs sh- shb she shg shh shi shl sho shp shr shs sib sie sig sih sii sil sio sip sir sis slb sle slg slh sli sll slo slp slr sls sob soe sog soh soi sol soo sop sor sos spb spe spg sph spi spl spo spp spr sps sr- srb sre srg srh sri srl sro srp srr srs ss- ssb sse ssg ssh ssi ssl sso ssp ssr sss