-er b-p bbb bbc bbe bbf bbg bbh bbn bbo bbp bbr bcb bcc bce bcf bcg bch bcn bco bcp bcr be- beb bec bee bef beg beh ben beo bep ber bfb bfc bfe bff bfg bfh bfn bfo bfp bfr bgb bgc bge bgf bgg bgh bgn bgo bgp bgr bhb bhc bhe bhf bhg bhh bho bhp bhr bnb bnc bne bnf bng bnn bno bnp bnr bob boc boe bof bog boh bon boo bop bor bpb bpc bpe bpf bpg bph bpn bpo bpp bpr brb bre brf brg brh brn bro brp brr c-- cbb cbc cbe cbf cbg cbh cbn cbo cbp cbr ccb ccc cce ccf ccg cch ccn cco ccp ccr ce- ceb cec cee cef ceg ceh cen ceo cep cer cfb cfc cfe cff cfg cfh cfn cfo cfp cfr cgb cgc cge cgg cgh cgn cgo cgp cgr ch- chb chc che chf chg chh chn cho chp chr cn- cnb cnc cne cnf cng cnh cnn cno cnp cnr co- cob coc coe cof cog coh con coo cop cor cpb cpc cpe cpf cpg cph cpn cpo cpp cpr crb crc cre crf crg crh crn cro crp crr ebb ebc ebe ebf ebg ebh ebn ebo ebp ebr ec- ecb ecc ece ecf ecg ech ecn eco ecr eeb eec eee eef eeg een eeo eep eer ef- efb efc efe eff efg efh efo efp efr egb egc ege egf egg egh egn ego egp egr ehb ehc ehe ehf ehg ehh ehn eho ehp ehr en- enb enc ene enf eng enh enn eno enp enr eo- eob eoc eoe eof eog eoh eon eoo eop eor ep- epb epc epe epf epg eph epn epo epp epr erb erc ere erf erg erh ern ero erp err fbb fbc fbe fbf fbg fbh fbn fbo fbp fbr fcb fcc fce fcf fcg fcn fco fcp fcr feb fec fee fef feg feh fen feo fep fer ffc ffe fff ffg ffh ffn ffo ffp ffr fgb fgc fge fgf fgg fgh fgn fgp fgr fhb fhc fhe fhf fhg fhh fhn fho fhp fhr fnb fnc fne fnf fng fnh fnn fnp fnr fob foc foe fof fog foh fon foo fop for fpb fpc fpe fpg fph fpn fpo fpp fpr frb frc fre frf frg frh frn fro frp frr g-p gbc gbe gbf gbg gbh gbn gbo gbp gbr gcb gcc gce gcf gcg gch gcn gco gcp gcr ge- geb gec gee gef geg geh gen geo gep ger gfb gfc gfe gff gfh gfo gfp gfr ggb ggc ggg ggh ggn ggo ggp ggr ghb ghc ghe ghg ghh ghn gho ghp ghr gnb gnc gne gnf gnn gno gnp gnr gob goc goe gof gog goh gon goo gop gor gpb gpc gpe gpf gpg gph gpn gpo gpp gpr grb grc gre grf grg grh grn gro grp grr hbb hbc hbe hbf hbg hbh hbn hbo hbp hbr hcb hcc hce hcf hcg hch hcn hco hcp hcr he- heb hec hee hef heg heh hen heo hep her hfb hfc hfe hff hfg hfh hfn hfo hfp hfr hgb hgc hge hgf hgg hgh hgn hgo hgp hgr hhb hhc hhe hhf hhg hhh hhn hho hhp hhr hnb hnc hne hnf hng hnh hnn hno hob hoc hoe hof hog hoh hon hoo hop hor hpb hpc hpe hpf hpg hph hpn hpo hpp hpr hr- hrb hrc hre hrf hrg hrh hrn hro hrp hrr nbb nbc nbe nbf nbg nbn nbo nbp nbr ncb ncc nce ncf ncg nch ncn nco ncp ncr ne- neb nec nee nef neg neh nen neo nep ner nfb nfc nfe nff nfn nfo nfp nfr ngb ngc nge ngf ngg ngh ngn ngo ngp nhb nhc nhe nhf nhg nhh nhn nhp nhr nnb nnc nne nnf nng nnh nnn nno nnp no- nob noc noe nof nog noh non noo nop nor npb npc npe npf npg nph npn npo npp npr nrb nrc nre nrf nrg nrn nro nrp nrr ob- obb obc obe obf obg obh obn obo obp obr oc- ocb occ ocf ocg och ocn oco ocp ocr oeb oec oee oef oeg oeh oen oeo oep oer of- ofb ofc ofe off ofg ofn ofo ofp ofr ogc oge ogf ogg ogh ogn ogo ogp ohc ohe ohf ohg ohh ohn oho ohp ohr on- onb onc one onf ong onh onn ono onp onr oo- oob ooc oof oog ooh oon ooo oop oor op- opb opc ope opf opg oph opn opo opp opr or- orb orc ore orf org orh orn oro orp orr p-p pbb pbc pbe pbf pbg pbn pbo pbp pbr pcb pcc pce pcf pcg pch pcn pco pcp pcr peb pec pee pef peg peh pen peo pep per pfb pfc pfe pff pfg pfn pfo pfp pfr pgb pgc pge pgf pgg pgh pgn pgo pgp pgr phb phc phe phf phg phn pho php phr pn- pnb pnc pne pnf png pnh pnn pno pnp pnr pob poc poe pof pog poh pon poo pop por ppb ppc ppe ppf ppg pph ppn ppo ppp ppr prb prc pre prf prg prh prn pro prp prr rbb rbc rbe rbf rbg rbh rbn rbo rbp rbr rcb rcc rce rcf rcg rch rcn rco rcp rcr re- reb rec ree ref reg reh ren reo rep rer rfb rfc rfe rff rfg rfh rfn rfo rfp rfr rgb rgc rge rgf rgg rgh rgn rgo rgp rgr rh- rhb rhc rhe rhf rhg rhh rhn rho rhp rhr rnb rnc rng rnh rnn rno rnp rnr rob roc roe rof rog roh ron roo rop ror rpb rpc rpe rpf rpg rph rpn rpo rpp rpr rrb rrc rrf rrg rrh rrn rrp rrr