-er -th b-p bbb bbc bbe bbg bbh bbn bbo bbp bbr bbs bbt bcb bcc bce bcg bch bcn bco bcp bcr bcs bct be- beb bec bee beg beh ben beo bep ber bes bet bgb bgc bge bgg bgh bgn bgo bgp bgr bgs bgt bhb bhc bhe bhg bhh bho bhp bhr bhs bht bnb bnc bne bng bnn bno bnp bnr bns bnt bob boc boe bog boh bon boo bop bor bos bot bpb bpc bpe bpg bph bpn bpo bpp bpr bps bpt brb bre brg brh brn bro brp brr brs brt bsb bsc bse bsg bsh bsn bso bsp bsr bss bst btb btc bte btg bth btn bto btp btr bts btt c-- cbb cbc cbe cbg cbh cbn cbo cbp cbr cbs cbt ccb ccc cce ccg cch ccn cco ccp ccr ccs cct ce- ceb cec cee ceg ceh cen ceo cep cer ces cet cgb cgc cge cgg cgh cgn cgo cgp cgr cgs cgt ch- chb chc che chg chh chn cho chp chr chs cht cn- cnb cnc cne cng cnh cnn cno cnp cnr cns cnt co- cob coc coe cog coh con coo cop cor cos cot cpb cpc cpe cpg cph cpn cpo cpp cpr cps cpt crb crc cre crg crh crn cro crp crr crs crt csb csc cse csg csh csn cso csp csr css cst ctb ctc cte ctg cth ctn cto ctp ctr cts ctt ebb ebc ebe ebg ebh ebn ebo ebp ebr ebs ebt ec- ecb ecc ece ecg ech ecn eco ecr ecs ect eeb eec eee eeg een eeo eep eer ees eet egb egc ege egg egh egn ego egp egr egs egt ehb ehc ehe ehg ehh ehn eho ehp ehr ehs eht en- enb enc ene eng enh enn eno enp enr ens ent eo- eob eoc eoe eog eoh eon eoo eop eor eos eot ep- epb epc epe epg eph epn epo epp epr eps ept erb erc ere erg erh ern ero erp err ers ert es- esb esc ese esg esh esn eso esp esr ess est etb etc ete etg eth etn eto etp etr ets ett g-p gbc gbe gbg gbh gbn gbo gbp gbr gbs gbt gcb gcc gce gcg gch gcn gco gcp gcr gcs gct ge- geb gec gee geg geh gen geo gep ger ges get ggb ggc ggg ggh ggn ggo ggp ggr ggs ggt ghb ghc ghe ghg ghh ghn gho ghp ghr ghs ght gnb gnc gne gnn gno gnp gnr gns gnt gob goc goe gog goh gon goo gop gor gos got gpb gpc gpe gpg gph gpn gpo gpp gpr gps gpt grb grc gre grg grh grn gro grp grr grs grt gsb gsc gse gsg gsn gso gsp gsr gss gst gtb gtc gte gtg gth gtn gto gtp gtr gts gtt hbb hbc hbe hbg hbh hbn hbo hbp hbr hbs hbt hcb hcc hce hcg hch hcn hco hcp hcr hcs hct he- heb hec hee heg heh hen heo hep her hes het hgb hgc hge hgg hgh hgn hgo hgp hgr hgs hgt hhb hhc hhe hhg hhh hhn hho hhp hhr hhs hht hnb hnc hne hng hnh hnn hno hns hnt hob hoc hoe hog hoh hon hoo hop hor hos hot hpb hpc hpe hpg hph hpn hpo hpp hpr hps hpt hr- hrb hrc hre hrg hrh hrn hro hrp hrr hrs hrt hsb hsc hse hsg hsh hsn hsp hsr hss hst htb htc hte htg hth htn hto htp htr hts htt nbb nbc nbe nbg nbn nbo nbp nbr nbs nbt ncb ncc nce ncg nch ncn nco ncp ncr ncs nct ne- neb nec nee neg neh nen neo nep ner nes net ngb ngc nge ngg ngh ngn ngo ngp ngs ngt nhb nhc nhe nhg nhh nhn nhp nhr nhs nht nnb nnc nne nng nnh nnn nno nnp nns nnt no- nob noc noe nog noh non noo nop nor nos not npb npc npe npg nph npn npo npp npr nps npt nrb nrc nre nrg nrn nro nrp nrr nrs nrt nsb nsc nse nsg nsh nsn nso nsp nsr nss nst ntb ntc nte ntg nth ntn nto ntp ntr nts ntt ob- obb obc obe obg obh obn obo obp obr obs obt oc- ocb occ ocg och ocn oco ocp ocr ocs oct oeb oec oee oeg oeh oen oeo oep oer oes oet ogc oge ogg ogh ogn ogo ogp ogs ogt ohc ohe ohg ohh ohn oho ohp ohr ohs oht on- onb onc one ong onh onn ono onp onr ons ont oo- oob ooc oog ooh oon ooo oop oor oos oot op- opb opc ope opg oph opn opo opp opr ops opt or- orb orc ore org orh orn oro orp orr ors ort os- osb osc ose osg osh osn oso osp osr oss ost ot- otb otc ote otg oth otn oto otp otr ots ott p-p pbb pbc pbe pbg pbn pbo pbp pbr pbs pbt pcb pcc pce pcg pch pcn pco pcp pcr pcs pct peb pec pee peg peh pen peo pep per pes pet pgb pgc pge pgg pgh pgn pgo pgp pgr pgs pgt phb phc phe phg phn pho php phr phs pht pn- pnb pnc pne png pnh pnn pno pnp pnr pns pnt pob poc poe pog poh pon poo pop por pos pot ppb ppc ppe ppg pph ppn ppo ppp ppr pps ppt prb prc pre prg prh prn pro prp prr prs prt ps- psb psc pse psg psh psn pso psp psr pss pst pt- ptb ptc pte ptg pth ptn pto ptp ptr pts ptt rbb rbc rbe rbg rbh rbn rbo rbp rbr rbs rbt rcb rcc rce rcg rch rcn rco rcp rcr rcs rct re- reb rec