-er -th a-a a-b a-t aaa aab aae aaf aah aao aap aar aas aat ab- aba abb abe abf abh abo abp abr abs abt aea aeb aee aef aeh aeo aep aer aes aet af- afa afb afe aff afh afo afp afr afs aft aha ahb ahe ahf ahh aho ahp ahr ahs aht aoa aob aoe aof aoh aoo aop aor aos aot ap- apa apb ape apf aph apo app apr aps apt ar- ara arb are arf arh aro arp arr ars art as- asa asb ase asf ash aso asp asr ass ast at- ata atb ate atf ath ato atp atr ats att b-p baa bab bae baf bah bao bap bar bas bat bba bbb bbe bbf bbh bbo bbp bbr bbs bbt be- bea beb bee bef beh beo bep ber bes bet bfa bfb bfe bff bfh bfo bfp bfr bfs bft bha bhb bhe bhf bhh bho bhp bhr bhs bht boa bob boe bof boh boo bop bor bos bot bpa bpb bpe bpf bph bpo bpp bpr bps bpt bra brb bre brf brh bro brp brr brs brt bsa bsb bse bsf bsh bso bsp bsr bss bst bta btb bte btf bth bto btp btr bts btt eaa eab eae eaf eah eao eap ear eas eat eba ebb ebe ebf ebh ebo ebp ebr ebs ebt eea eeb eee eef eeo eep eer ees eet ef- efa efb efe eff efh efo efp efr efs eft eha ehb ehe ehf ehh eho ehp ehr ehs eht eo- eoa eob eoe eof eoh eoo eop eor eos eot ep- epa epb epe epf eph epo epp epr eps ept era erb ere erf erh ero erp err ers ert es- esa esb ese esf esh eso esp esr ess est eta etb ete etf eth eto etp etr ets ett faa fab fae faf fah fao fap far fas fat fba fbb fbe fbf fbh fbo fbp fbr fbs fbt fea feb fee fef feh feo fep fer fes fet ffa ffe fff ffh ffo ffp ffr ffs fft fha fhb fhe fhf fhh fho fhp fhr fhs foa fob foe fof foh foo fop for fos fot fpa fpb fpe fph fpo fpp fpr fps fpt fra frb fre frf frh fro frp frr frs frt fsa fsb fse fsf fsh fso fsp fsr fss fst fta ftb fte ftf fth fto ftp ftr fts ftt haa hab hae haf hah hao hap har has hat hba hbb hbe hbf hbh hbo hbp hbr hbs hbt he- hea heb hee hef heh heo hep her hes het hfa hfb hfe hff hfh hfo hfp hfr hfs hft hha hhb hhe hhf hhh hho hhp hhr hhs hht hoa hob hoe hof hoh hoo hop hor hos hot hpa hpb hpe hpf hph hpo hpp hpr hps hpt hr- hra hrb hre hrf hrh hro hrp hrr hrs hrt hsa hsb hse hsf hsh hsp hsr hss hst hta htb hte htf hth hto htp htr hts htt oaa oab oae oaf oah oao oap oar oas oat ob- oba obb obe obf obh obo obp obr obs obt oea oeb oee oef oeh oeo oep oer oes oet of- ofa ofb ofe off ofo ofp ofr ofs oft oha ohe ohf ohh oho ohp ohr ohs oht oo- ooa oob oof ooh ooo oop oor oos oot op- opa opb ope opf oph opo opp opr ops opt or- ora orb ore orf orh oro orp orr ors ort os- osa osb ose osf osh oso osp osr oss ost ot- ota otb ote otf oth oto otp otr ots ott p-p paa pab pae paf pah pao pap par pas pat pba pbb pbe pbf pbo pbp pbr pbs pbt pea peb pee pef peh peo pep per pes pet pfa pfb pfe pff pfo pfp pfr pfs pft pha phb phe phf pho php phr phs pht poa pob poe pof poh poo pop por pos pot ppa ppb ppe ppf pph ppo ppp ppr pps ppt pra prb pre prf prh pro prp prr prs prt ps- psa psb pse psf psh pso psp psr pss pst pt- pta ptb pte ptf pth pto ptp ptr pts ptt ra- raa rab rae raf rah rao rap rar ras rat rba rbb rbe rbf rbh rbo rbp rbr rbs rbt re- rea reb ree ref reh reo rep rer res ret rfa rfb rfe rff rfh rfo rfp rfr rfs rft rh- rha rhb rhe rhf rhh rho rhp rhr rhs rht roa rob roe rof roh roo rop ror ros rot rpa rpb rpe rpf rph rpo rpp rpr rps rpt rra rrb rrf rrh rrp rrr rrs rrt rsa rsb rse rsf rsh rso rsp rsr rss rst rta rtb rte rtf rto rtp rtr rts rtt saa sab sae saf sah sao sap sar sas sat sba sbb sbe sbf sbh sbo sbp sbr sbs sbt se- sea seb see sef seh seo sep ser ses set sfa sfb sfe sff sfh sfo sfp sfr sfs sft sh- sha shb she shf shh sho shp shr shs sht soa sob soe sof soh soo sop sor sos sot spa spb spe spf sph spo spp spr sps spt sr- sra srb sre srf srh sro srp srr srs srt ss- ssa ssb sse ssf ssh sso ssp ssr sss sst sta stb ste stf sth sto stp str sts stt taa tab tae taf tah tao tap tar tas tat tba tbb tbe tbf tbh tbo tbp tbr tbs tbt te- tea teb tee tef teh teo tep ter tes tet tfa tfb tfe tff tfh tfo tfp tfr tfs tft th- tha thb the thf thh tho thp thr ths tht to- toa tob toe tof toh too top tor tos tot tpa tpb tpe tpf tph tpo tpp tpr tps tpt tra trb tre trf trh