-er -th a-a a-b a-t aaa aab aae aag aah aao aap aar aas aat ab- aba abb abe abg abh abo abp abr abs abt aea aeb aee aeg aeh aeo aep aer aes aet ag- aga agb age agg agh ago agp agr ags agt aha ahb ahe ahg ahh aho ahp ahr ahs aht aoa aob aoe aog aoh aoo aop aor aos aot ap- apa apb ape apg aph apo app apr aps apt ar- ara arb are arg arh aro arp arr ars art as- asa asb ase asg ash aso asp asr ass ast at- ata atb ate atg ath ato atp atr ats att b-p baa bab bae bag bah bao bap bar bas bat bba bbb bbe bbg bbh bbo bbp bbr bbs bbt be- bea beb bee beg beh beo bep ber bes bet bga bgb bge bgg bgh bgo bgp bgr bgs bgt bha bhb bhe bhg bhh bho bhp bhr bhs bht boa bob boe bog boh boo bop bor bos bot bpa bpb bpe bpg bph bpo bpp bpr bps bpt bra brb bre brg brh bro brp brr brs brt bsa bsb bse bsg bsh bso bsp bsr bss bst bta btb bte btg bth bto btp btr bts btt eaa eab eae eag eah eao eap ear eas eat eba ebb ebe ebg ebh ebo ebp ebr ebs ebt eea eeb eee eeg eeo eep eer ees eet ega egb ege egg egh ego egp egr egs egt eha ehb ehe ehg ehh eho ehp ehr ehs eht eo- eoa eob eoe eog eoh eoo eop eor eos eot ep- epa epb epe epg eph epo epp epr eps ept era erb ere erg erh ero erp err ers ert es- esa esb ese esg esh eso esp esr ess est eta etb ete etg eth eto etp etr ets ett g-p gaa gab gae gag gah gao gap gar gas gat gba gbe gbg gbh gbo gbp gbr gbs gbt ge- gea geb gee geg geh geo gep ger ges get gga ggb ggg ggh ggo ggp ggr ggs ggt gha ghb ghe ghg ghh gho ghp ghr ghs ght goa gob goe gog goh goo gop gor gos got gpa gpb gpe gpg gph gpo gpp gpr gps gpt gra grb gre grg grh gro grp grr grs grt gsa gsb gse gsg gso gsp gsr gss gst gta gtb gte gtg gth gto gtp gtr gts gtt haa hab hae hag hah hao hap har has hat hba hbb hbe hbg hbh hbo hbp hbr hbs hbt he- hea heb hee heg heh heo hep her hes het hga hgb hge hgg hgh hgo hgp hgr hgs hgt hha hhb hhe hhg hhh hho hhp hhr hhs hht hoa hob hoe hog hoh hoo hop hor hos hot hpa hpb hpe hpg hph hpo hpp hpr hps hpt hr- hra hrb hre hrg hrh hro hrp hrr hrs hrt hsa hsb hse hsg hsh hsp hsr hss hst hta htb hte htg hth hto htp htr hts htt oaa oab oae oag oah oao oap oar oas oat ob- oba obb obe obg obh obo obp obr obs obt oea oeb oee oeg oeh oeo oep oer oes oet oga oge ogg ogh ogo ogp ogs ogt oha ohe ohg ohh oho ohp ohr ohs oht oo- ooa oob oog ooh ooo oop oor oos oot op- opa opb ope opg oph opo opp opr ops opt or- ora orb ore org orh oro orp orr ors ort os- osa osb ose osg osh oso osp osr oss ost ot- ota otb ote otg oth oto otp otr ots ott p-p paa pab pae pag pah pao pap par pas pat pba pbb pbe pbg pbo pbp pbr pbs pbt pea peb pee peg peh peo pep per pes pet pga pgb pge pgg pgh pgo pgp pgr pgs pgt pha phb phe phg pho php phr phs pht poa pob poe pog poh poo pop por pos pot ppa ppb ppe ppg pph ppo ppp ppr pps ppt pra prb pre prg prh pro prp prr prs prt ps- psa psb pse psg psh pso psp psr pss pst pt- pta ptb pte ptg pth pto ptp ptr pts ptt ra- raa rab rae rag rah rao rap rar ras rat rba rbb rbe rbg rbh rbo rbp rbr rbs rbt re- rea reb ree reg reh reo rep rer res ret rga rgb rge rgg rgh rgo rgp rgr rgs rgt rh- rha rhb rhe rhg rhh rho rhp rhr rhs rht roa rob roe rog roh roo rop ror ros rot rpa rpb rpe rpg rph rpo rpp rpr rps rpt rra rrb rrg rrh rrp rrr rrs rrt rsa rsb rse rsg rsh rso rsp rsr rss rst rta rtb rte rtg rto rtp rtr rts rtt saa sab sae sag sah sao sap sar sas sat sba sbb sbe sbg sbh sbo sbp sbr sbs sbt se- sea seb see seg seh seo sep ser ses set sga sgb sge sgg sgh sgo sgp sgr sgs sgt sh- sha shb she shg shh sho shp shr shs sht soa sob soe sog soh soo sop sor sos sot spa spb spe spg sph spo spp spr sps spt sr- sra srb sre srg srh sro srp srr srs srt ss- ssa ssb sse ssg ssh sso ssp ssr sss sst sta stb ste stg sth sto stp str sts stt taa tab tae tag tah tao tap tar tas tat tba tbb tbe tbg tbh tbo tbp tbr tbs tbt te- tea teb tee teg teh teo tep ter tes tet tga tgb tge tgg tgh tgo tgp tgr tgs tgt th- tha thb the thg thh tho thp thr ths tht to- toa tob toe tog toh too top tor tos tot tpa tpb tpe tpg tph tpo tpp tpr tps tpt tra trb tre trg trh