-er -th b-p bbb bbe bbh bbi bbn bbo bbp bbr bbs bbt be- beb bee beh bei ben beo bep ber bes bet bez bhb bhe bhh bhi bho bhp bhr bhs bht bi- bib bie bih bii bin bio bip bir bis bit biz bnb bne bni bnn bno bnp bnr bns bnt bnz bob boe boh boi bon boo bop bor bos bot boz bpb bpe bph bpi bpn bpo bpp bpr bps bpt brb bre brh bri brn bro brp brr brs brt brz bsb bse bsh bsi bsn bso bsp bsr bss bst btb bte bth bti btn bto btp btr bts btt btz bze bzh bzn bzo bzp bzr bzs bzz ebb ebe ebh ebi ebn ebo ebp ebr ebs ebt eeb eee een eeo eep eer ees eet ehb ehe ehh ehi ehn eho ehp ehr ehs eht eib eie eii ein eio eip eir eis eit en- enb ene enh eni enn eno enp enr ens ent enz eo- eob eoe eoh eoi eon eoo eop eor eos eot ep- epb epe eph epi epn epo epp epr eps ept epz erb ere erh eri ern ero erp err ers ert erz es- esb ese esh esi esn eso esp esr ess est etb ete eth eti etn eto etp etr ets ett etz eze ezh ezo ezr ezs ezz h-i hbb hbe hbh hbi hbn hbo hbp hbr hbs hbt hbz he- heb hee heh hei hen heo hep her hes het hez hhb hhe hhh hhi hhn hho hhp hhr hhs hht hhz hib hie hih hii hin hio hip hir his hit hnb hne hnh hnn hno hns hnt hnz hob hoe hoh hoi hon hoo hop hor hos hot hpb hpe hph hpi hpn hpo hpp hpr hps hpt hr- hrb hre hrh hri hrn hro hrp hrr hrs hrt hrz hsb hse hsh hsi hsn hsp hsr hss hst hsz htb hte hth hti htn hto htp htr hts htt htz hze hzo hzp hzs hzt ibb ibe ibh ibi ibn ibo ibp ibr ibs ibt ibz ie- iee iei ien iep ier ies iet ihb ihe ihh ihi ihn iho ihp ihr ihs iht iib iie iih iii iin iio iip iir iis iit in- inb ine inh ini inn ino inp inr ins int io- iob ioe ioh ioi ion ioo iop ior ios iot ipb ipe ipi ipn ipo ipp ipr ips ipt ir- irb ire iri irn iro irp irr irs irt is- isb ise ish isi isn iso isp isr iss ist itb ite ith iti itn ito itp its itt itz ize izh izi izo izz n-i nbb nbe nbi nbn nbo nbp nbr nbs nbt ne- neb nee neh nei nen neo nep ner nes net nez nhb nhe nhh nhi nhn nhp nhr nhs nht nhz nib nie nih nii nin nio nip nir nis nit niz nnb nne nnh nni nnn nno nnp nns nnt nnz no- nob noe noh noi non noo nop nor nos not noz npb npe nph npi npn npo npp npr nps npt npz nrb nre nri nrn nro nrp nrr nrs nrt nrz nsb nse nsh nsi nsn nso nsp nsr nss nst nsz ntb nte nth nti ntn nto ntp ntr nts ntt ntz nzb nze nzi nzo nzp nzs nzz o-i ob- obb obe obh obi obn obo obp obr obs obt oeb oee oeh oei oen oeo oep oer oes oet ohe ohh ohi ohn oho ohp ohr ohs oht oib oie oii oin oio oip oir ois oit oiz on- onb one onh oni onn ono onp onr ons ont oo- oob ooh ooi oon ooo oop oor oos oot op- opb ope oph opi opn opo opp opr ops opt or- orb ore orh ori orn oro orp orr ors ort orz os- osb ose osh osi osn oso osp osr oss ost ot- otb ote oth oti otn oto otp otr ots ott otz oze ozo ozs ozt ozz p-p pbb pbe pbi pbn pbo pbp pbr pbs pbt pbz peb pee peh pei pen peo pep per pes pet pez phb phe phi phn pho php phr phs pht pib pie pih pii pin pio pip pir pis pit piz pn- pnb pne pnh pni pnn pno pnp pnr pns pnt pob poe poh poi pon poo pop por pos pot poz ppb ppe pph ppi ppn ppo ppp ppr pps ppt ppz prb pre prh pri prn pro prp prr prs prt prz ps- psb pse psh psi psn pso psp psr pss pst pt- ptb pte pth pti ptn pto ptp ptr pts ptt ptz pzp pzt rbb rbe rbh rbi rbn rbo rbp rbr rbs rbt re- reb ree reh rei ren reo rep rer res ret rez rh- rhb rhe rhh rhi rhn rho rhp rhr rhs rht rib rie rih rii rin rio rip rir ris rit riz rnb rnh rni rnn rno rnp rnr rns rnt rnz rob roe roh roi ron roo rop ror ros rot roz rpb rpe rph rpi rpn rpo rpp rpr rps rpt rpz rrb rrh rri rrn rrp rrr rrs rrt rsb rse rsh rsi rsn rso rsp rsr rss rst rtb rte rti rtn rto rtp rtr rts rtt rtz rzb rze rzo sbb sbe sbh sbi sbn sbo sbp sbr sbs sbt se- seb see seh sei sen seo sep ser ses set sez sh- shb she shh shi shn sho shp shr shs sht sib sie sih sii sin sio sip sir sis sit snb sne sni snn sno snp snr sns snt sob soe soh soi son soo sop sor sos sot soz spb spe sph spi spn spo spp spr sps spt spz sr- srb sre srh sri srn sro srp srr srs srt ss- ssb sse ssh ssi ssn sso ssp ssr sss sst ssz stb ste sth sti stn sto stp str sts stt stz sze