-er -ic -th b-p bbb bbc bbe bbf bbh bbi bbo bbp bbr bbs bbt bcb bcc bce bcf bch bci bco bcp bcr bcs bct be- beb bec bee bef beh bei beo bep ber bes bet bfb bfc bfe bff bfh bfi bfo bfp bfr bfs bft bhb bhc bhe bhf bhh bhi bho bhp bhr bhs bht bi- bib bic bie bif bih bii bio bip bir bis bit bob boc boe bof boh boi boo bop bor bos bot bpb bpc bpe bpf bph bpi bpo bpp bpr bps bpt brb bre brf brh bri bro brp brr brs brt bsb bsc bse bsf bsh bsi bso bsp bsr bss bst btb btc bte btf bth bti bto btp btr bts btt c-- cbb cbc cbe cbf cbh cbi cbo cbp cbr cbs cbt ccb ccc cce ccf cch cci cco ccp ccr ccs cct ce- ceb cec cee cef ceh cei ceo cep cer ces cet cfb cfc cfe cff cfh cfi cfo cfp cfr cfs cft ch- chb chc che chf chh chi cho chp chr chs cht ci- cib cic cie cif cih cii cio cip cir cis cit co- cob coc coe cof coh coi coo cop cor cos cot cpb cpc cpe cpf cph cpi cpo cpp cpr cps cpt crb crc cre crf crh cri cro crp crr crs crt csb csc cse csf csh csi cso csp csr css cst ctb ctc cte ctf cth cti cto ctp ctr cts ctt ebb ebc ebe ebf ebh ebi ebo ebp ebr ebs ebt ec- ecb ecc ece ecf ech eci eco ecr ecs ect eeb eec eee eef eeo eep eer ees eet ef- efb efc efe eff efh efi efo efp efr efs eft ehb ehc ehe ehf ehh ehi eho ehp ehr ehs eht eib eic eie eif eii eio eip eir eis eit eo- eob eoc eoe eof eoh eoi eoo eop eor eos eot ep- epb epc epe epf eph epi epo epp epr eps ept erb erc ere erf erh eri ero erp err ers ert es- esb esc ese esf esh esi eso esp esr ess est etb etc ete etf eth eti eto etp etr ets ett fbb fbc fbe fbf fbh fbi fbo fbp fbr fbs fbt fcb fcc fce fcf fci fco fcp fcr fcs fct feb fec fee fef feh fei feo fep fer fes fet ffc ffe fff ffh ffi ffo ffp ffr ffs fft fhb fhc fhe fhf fhh fhi fho fhp fhr fhs fib fic fie fif fih fii fip fir fis fit fob foc foe fof foh foi foo fop for fos fot fpb fpc fpe fph fpi fpo fpp fpr fps fpt frb frc fre frf frh fri fro frp frr frs frt fsb fsc fse fsf fsh fsi fso fsp fsr fss fst ftb ftc fte ftf fth fti fto ftp ftr fts ftt h-i hbb hbc hbe hbf hbh hbi hbo hbp hbr hbs hbt hcb hcc hce hcf hch hci hco hcp hcr hcs hct he- heb hec hee hef heh hei heo hep her hes het hfb hfc hfe hff hfh hfi hfo hfp hfr hfs hft hhb hhc hhe hhf hhh hhi hho hhp hhr hhs hht hib hic hie hif hih hii hio hip hir his hit hob hoc hoe hof hoh hoi hoo hop hor hos hot hpb hpc hpe hpf hph hpi hpo hpp hpr hps hpt hr- hrb hrc hre hrf hrh hri hro hrp hrr hrs hrt hsb hsc hse hsf hsh hsi hsp hsr hss hst htb htc hte htf hth hti hto htp htr hts htt i-f ibb ibc ibe ibf ibh ibi ibo ibp ibr ibs ibt icb icc ice icf ich ici ico icp icr ics ict ie- iec iee ief iei iep ier ies iet ifb ifc ife iff ifi ifo ifp ifr ifs ift ihb ihc ihe ihf ihh ihi iho ihp ihr ihs iht iib iic iie iif iih iii iio iip iir iis iit io- iob ioc ioe iof ioh ioi ioo iop ior ios iot ipb ipc ipe ipf ipi ipo ipp ipr ips ipt ir- irb irc ire irf iri iro irp irr irs irt is- isb isc ise isf ish isi iso isp isr iss ist itb itc ite itf ith iti ito itp its itt o-i ob- obb obc obe obf obh obi obo obp obr obs obt oc- ocb occ ocf och oci oco ocp ocr ocs oct oeb oec oee oef oeh oei oeo oep oer oes oet of- ofb ofc ofe off ofi ofo ofp ofr ofs oft ohc ohe ohf ohh ohi oho ohp ohr ohs oht oib oic oie oif oii oio oip oir ois oit oo- oob ooc oof ooh ooi ooo oop oor oos oot op- opb opc ope opf oph opi opo opp opr ops opt or- orb orc ore orf orh ori oro orp orr ors ort os- osb osc ose osf osh osi oso osp osr oss ost ot- otb otc ote otf oth oti oto otp otr ots ott p-p pbb pbc pbe pbf pbi pbo pbp pbr pbs pbt pcb pcc pce pcf pch pci pco pcp pcr pcs pct peb pec pee pef peh pei peo pep per pes pet pfb pfc pfe pff pfi pfo pfp pfr pfs pft phb phc phe phf phi pho php phr phs pht pib pic pie pif pih pii pio pip pir pis pit pob poc poe pof poh poi poo pop por pos pot ppb ppc ppe ppf pph ppi ppo ppp ppr pps ppt prb prc pre prf prh pri pro prp prr prs prt ps- psb psc pse psf psh psi pso psp psr pss pst pt- ptb ptc pte ptf pth pti pto ptp ptr pts ptt rbb rbc rbe rbf rbh rbi rbo rbp rbr rbs rbt rcb rcc rce rcf rch rci rco rcp rcr rcs rct