-er -ol -th b-p bbb bbc bbe bbh bbl bbn bbo bbp bbr bbs bbt bcb bcc bce bch bcl bcn bco bcp bcr bcs bct be- beb bec bee beh bel ben beo bep ber bes bet bhb bhc bhe bhh bhl bho bhp bhr bhs bht blb blc ble blh bll bln blo blp blr bls blt bnb bnc bne bnl bnn bno bnp bnr bns bnt bob boc boe boh bol bon boo bop bor bos bot bpb bpc bpe bph bpl bpn bpo bpp bpr bps bpt brb bre brh brl brn bro brp brr brs brt bsb bsc bse bsh bsl bsn bso bsp bsr bss bst btb btc bte bth btl btn bto btp btr bts btt c-- cbb cbc cbe cbh cbl cbn cbo cbp cbr cbs cbt ccb ccc cce cch ccl ccn cco ccp ccr ccs cct ce- ceb cec cee ceh cel cen ceo cep cer ces cet ch- chb chc che chh chl chn cho chp chr chs cht cl- clb clc cle clh cll cln clo clp clr cls clt cn- cnb cnc cne cnh cnl cnn cno cnp cnr cns cnt co- cob coc coe coh col con coo cop cor cos cot cpb cpc cpe cph cpl cpn cpo cpp cpr cps cpt crb crc cre crh crl crn cro crp crr crs crt csb csc cse csh csl csn cso csp csr css cst ctb ctc cte cth ctl ctn cto ctp ctr cts ctt ebb ebc ebe ebh ebl ebn ebo ebp ebr ebs ebt ec- ecb ecc ece ech ecl ecn eco ecr ecs ect eeb eec eee eel een eeo eep eer ees eet ehb ehc ehe ehh ehl ehn eho ehp ehr ehs eht elb elc ele elh ell eln elo elp elr els elt en- enb enc ene enh enl enn eno enp enr ens ent eo- eob eoc eoe eoh eol eon eoo eop eor eos eot ep- epb epc epe eph epl epn epo epp epr eps ept erb erc ere erh erl ern ero erp err ers ert es- esb esc ese esh esl esn eso esp esr ess est etb etc ete eth etl etn eto etp etr ets ett hbb hbc hbe hbh hbl hbn hbo hbp hbr hbs hbt hcb hcc hce hch hcl hcn hco hcp hcr hcs hct he- heb hec hee heh hel hen heo hep her hes het hhb hhc hhe hhh hhl hhn hho hhp hhr hhs hht hlb hlc hle hlh hll hln hlo hlp hlr hls hlt hnb hnc hne hnh hnl hnn hno hns hnt hob hoc hoe hoh hol hon hoo hop hor hos hot hpb hpc hpe hph hpl hpn hpo hpp hpr hps hpt hr- hrb hrc hre hrh hrl hrn hro hrp hrr hrs hrt hsb hsc hse hsh hsl hsn hsp hsr hss hst htb htc hte hth htl htn hto htp htr hts htt l-p lbb lbc lbe lbh lbl lbo lbp lbr lbs lbt lcb lcc lce lch lcl lcn lco lcp lcr lcs lct leb lec lee leh lel len leo lep ler les let lhb lhc lhh lho lhp lhr lhs lht llb llc lle lll lln llo llp llr lls llt lnb lnc lne lnh lnl lnn lno lnp lnr lns lnt lob loc loe loh lol lon loo lop lor los lot lpb lpc lpe lph lpl lpn lpo lpp lpr lps lpt lrb lrc lrh lrn lro lrp lrr lrs lrt lsb lsc lse lsh lsl lsn lso lsp lsr lss lst ltb ltc lte lth ltl lto ltp ltr lts ltt nbb nbc nbe nbl nbn nbo nbp nbr nbs nbt ncb ncc nce nch ncl ncn nco ncp ncr ncs nct ne- neb nec nee neh nel nen neo nep ner nes net nhb nhc nhe nhh nhl nhn nhp nhr nhs nht nlb nlc nle nlh nll nln nlo nlp nlr nls nlt nnb nnc nne nnh nnl nnn nno nnp nns nnt no- nob noc noe noh nol non noo nop nor nos not npb npc npe nph npl npn npo npp npr nps npt nrb nrc nre nrl nrn nro nrp nrr nrs nrt nsb nsc nse nsh nsl nsn nso nsp nsr nss nst ntb ntc nte nth ntn nto ntp ntr nts ntt ob- obb obc obe obh obl obn obo obp obr obs obt oc- ocb occ och ocl ocn oco ocp ocr ocs oct oeb oec oee oeh oel oen oeo oep oer oes oet ohc ohe ohh ohl ohn oho ohp ohr ohs oht olb olc ole oll oln olo olp ols olt on- onb onc one onh onl onn ono onp onr ons ont oo- oob ooc ooh ool oon ooo oop oor oos oot op- opb opc ope oph opl opn opo opp opr ops opt or- orb orc ore orh orl orn oro orp orr ors ort os- osb osc ose osh osl osn oso osp osr oss ost ot- otb otc ote oth otl otn oto otp otr ots ott p-p pbb pbc pbe pbl pbn pbo pbp pbr pbs pbt pcb pcc pce pch pcl pcn pco pcp pcr pcs pct peb pec pee peh pel pen peo pep per pes pet phb phc phe phl phn pho php phr phs pht plb plc ple plh pll pln plo plp plr pls plt pn- pnb pnc pne pnh pnl pnn pno pnp pnr pns pnt pob poc poe poh pol pon poo pop por pos pot ppb ppc ppe pph ppl ppn ppo ppp ppr pps ppt prb prc pre prh prl prn pro prp prr prs prt ps- psb psc pse psh psl psn pso psp psr pss pst pt- ptb ptc pte pth ptl ptn pto ptp ptr pts ptt rbb rbc rbe rbh rbl rbn rbo rbp rbr rbs rbt rcb rcc rce rch rcl rcn rco rcp rcr rcs rct re- reb rec ree reh