-er -th b-p bbb bbe bbh bbi bbl bbp bbr bbs bbt be- beb bee beh bei bel bep ber bes bet bhb bhe bhh bhi bhl bhp bhr bhs bht bi- bib bie bih bii bil bip bir bis bit blb ble blh bli bll blp blr bls blt bpb bpe bph bpi bpl bpp bpr bps bpt brb bre brh bri brl brp brr brs brt bsb bse bsh bsi bsl bsp bsr bss bst btb bte bth bti btl btp btr bts btt ebb ebe ebh ebi ebl ebp ebr ebs ebt eeb eee eel eep eer ees eet ehb ehe ehh ehi ehl ehp ehr ehs eht eib eie eii eil eip eir eis eit elb ele elh eli ell elp elr els elt ep- epb epe eph epi epl epp epr eps ept erb ere erh eri erl erp err ers ert es- esb ese esh esi esl esp esr ess est etb ete eth eti etl etp etr ets ett h-i hbb hbe hbh hbi hbl hbp hbr hbs hbt he- heb hee heh hei hel hep her hes het hhb hhe hhh hhi hhl hhp hhr hhs hht hib hie hih hii hil hip hir his hit hlb hle hlh hli hll hlp hlr hls hlt hpb hpe hph hpi hpl hpp hpr hps hpt hr- hrb hre hrh hri hrl hrp hrr hrs hrt hsb hse hsh hsi hsl hsp hsr hss hst htb hte hth hti htl htp htr hts htt ibb ibe ibh ibi ibl ibp ibr ibs ibt ie- iee iei iel iep ier ies iet ihb ihe ihh ihi ihl ihp ihr ihs iht iib iie iih iii iil iip iir iis iit il- ilb ile ilh ili ill ilp ilr ils ilt ipb ipe ipi ipl ipp ipr ips ipt ir- irb ire iri irl irp irr irs irt is- isb ise ish isi isl isp isr iss ist itb ite ith iti itl itp its itt l-p lbb lbe lbh lbi lbl lbp lbr lbs lbt leb lee leh lei lel lep ler les let lhb lhh lhi lhp lhr lhs lht lib lie lih lii lil lip lir lis lit llb lle lli lll llp llr lls llt lpb lpe lph lpi lpl lpp lpr lps lpt lrb lrh lri lrp lrr lrs lrt lsb lse lsh lsi lsl lsp lsr lss lst ltb lte lth lti ltl ltp ltr lts ltt p-p pbb pbe pbi pbl pbp pbr pbs pbt peb pee peh pei pel pep per pes pet phb phe phi phl php phr phs pht pib pie pih pii pil pip pir pis pit plb ple plh pli pll plp plr pls plt ppb ppe pph ppi ppl ppp ppr pps ppt prb pre prh pri prl prp prr prs prt ps- psb pse psh psi psl psp psr pss pst pt- ptb pte pth pti ptl ptp ptr pts ptt rbb rbe rbh rbi rbl rbp rbr rbs rbt re- reb ree reh rei rel rep rer res ret rh- rhb rhe rhh rhi rhl rhp rhr rhs rht rib rie rih rii ril rip rir ris rit rle rlh rli rll rlp rlr rls rlt rpb rpe rph rpi rpl rpp rpr rps rpt rrb rrh rri rrl rrp rrr rrs rrt rsb rse rsh rsi rsl rsp rsr rss rst rtb rte rti rtl rtp rtr rts rtt sbb sbe sbh sbi sbl sbp sbr sbs sbt se- seb see seh sei sel sep ser ses set sh- shb she shh shi shl shp shr shs sht sib sie sih sii sil sip sir sis sit slb sle slh sli sll slp slr sls slt spb spe sph spi spl spp spr sps spt sr- srb sre srh sri srl srp srr srs srt ss- ssb sse ssh ssi ssl ssp ssr sss sst stb ste sth sti stl stp str sts stt tbb tbe tbh tbi tbl tbp tbr tbs tbt te- teb tee teh tei tel tep ter tes tet th- thb the thh thi thl thp thr ths tht tib tie tih tii til tip tir tis tit tle tlh tli tll tlp tlr tls tlt tpb tpe tph tpi tpl tpp tpr tps tpt trb tre trh tri trl trp trr trs trt tsb tse tsh tsi tsl tsp tsr tss tst ttb tte tth tti ttl ttp ttr tts ttt