-th a-a a-b a-c a-t aaa aab aac aad aah aao aap aar aas aat ab- aba abb abc abd abh abo abp abr abs abt ac- aca acb acc acd ach aco acp acr acs act ad- ada adb adc add adh ado adp adr ads adt aha ahb ahc ahd ahh aho ahp ahr ahs aht aoa aob aoc aod aoh aoo aop aor aos aot ap- apa apb apc apd aph apo app apr aps apt ar- ara arb arc ard arh aro arp arr ars art as- asa asb asc asd ash aso asp asr ass ast at- ata atb atc atd ath ato atp atr ats att b-p baa bab bac bad bah bao bap bar bas bat bba bbb bbc bbd bbh bbo bbp bbr bbs bbt bca bcb bcc bcd bch bco bcp bcr bcs bct bda bdb bdc bdd bdh bdo bdp bdr bds bdt bha bhb bhc bhd bhh bho bhp bhr bhs bht boa bob boc bod boh boo bop bor bos bot bpa bpb bpc bpd bph bpo bpp bpr bps bpt bra brb brd brh bro brp brr brs brt bsa bsb bsc bsd bsh bso bsp bsr bss bst bta btb btc btd bth bto btp btr bts btt c-- caa cab cac cad cah cao cap car cas cat cba cbb cbc cbd cbh cbo cbp cbr cbs cbt cca ccb ccc ccd cch cco ccp ccr ccs cct cda cdb cdc cdd cdh cdo cdp cdr cds cdt ch- cha chb chc chd chh cho chp chr chs cht co- coa cob coc cod coh coo cop cor cos cot cpa cpb cpc cpd cph cpo cpp cpr cps cpt cra crb crc crd crh cro crp crr crs crt csa csb csc csd csh cso csp csr css cst cta ctb ctc ctd cth cto ctp ctr cts ctt daa dab dac dad dah dao dap dar das dat dba dbb dbc dbd dbh dbo dbp dbr dbs dbt dca dcb dcc dcd dco dcp dcr dcs dct dda ddb ddc ddd ddh ddo ddp ddr dds ddt dh- dha dhb dhc dhd dhh dho dhp dhr dhs dht doa dob doc dod doh doo dop dor dos dot dpa dpb dpc dpd dph dpo dpp dpr dps dpt dra drb drc drd dro drp drr drs drt dsa dsb dsc dsd dsh dso dsp dsr dss dst dta dtb dtc dtd dth dto dtp dtr dts dtt haa hab hac had hah hao hap har has hat hba hbb hbc hbd hbh hbo hbp hbr hbs hbt hca hcb hcc hcd hch hco hcp hcr hcs hct hda hdb hdc hdd hdh hdo hdp hdr hds hdt hha hhb hhc hhd hhh hho hhp hhr hhs hht hoa hob hoc hod hoh hoo hop hor hos hot hpa hpb hpc hpd hph hpo hpp hpr hps hpt hr- hra hrb hrc hrd hrh hro hrp hrr hrs hrt hsa hsb hsc hsd hsh hsp hsr hss hst hta htb htc htd hth hto htp htr hts htt oaa oab oac oad oah oao oap oar oas oat ob- oba obb obc obd obh obo obp obr obs obt oc- oca ocb occ ocd och oco ocp ocr ocs oct oda odb odc odd odh odo odp odr ods odt oha ohc ohd ohh oho ohp ohr ohs oht oo- ooa oob ooc ood ooh ooo oop oor oos oot op- opa opb opc opd oph opo opp opr ops opt or- ora orb orc ord orh oro orp orr ors ort os- osa osb osc osd osh oso osp osr oss ost ot- ota otb otc otd oth oto otp otr ots ott p-p paa pab pac pad pah pao pap par pas pat pba pbb pbc pbd pbo pbp pbr pbs pbt pca pcb pcc pcd pch pco pcp pcr pcs pct pda pdb pdc pdd pdh pdo pdp pdr pds pdt pha phb phc phd pho php phr phs pht poa pob poc pod poh poo pop por pos pot ppa ppb ppc ppd pph ppo ppp ppr pps ppt pra prb prc prd prh pro prp prr prs prt ps- psa psb psc psd psh pso psp psr pss pst pt- pta ptb ptc ptd pth pto ptp ptr pts ptt ra- raa rab rac rad rah rao rap rar ras rat rba rbb rbc rbd rbh rbo rbp rbr rbs rbt rca rcb rcc rcd rch rco rcp rcr rcs rct rda rdb rdc rdd rdh rdo rdp rdr rds rdt rh- rha rhb rhc rhd rhh rho rhp rhr rhs rht roa rob roc rod roh roo rop ror ros rot rpa rpb rpc rpd rph rpo rpp rpr rps rpt rra rrb rrc rrd rrh rrp rrr rrs rrt rsa rsb rsc rsd rsh rso rsp rsr rss rst rta rtb rtc rtd rto rtp rtr rts rtt saa sab sac sad sah sao sap sar sas sat sba sbb sbc sbd sbh sbo sbp sbr sbs sbt sca scb scc scd sch sco scp scr scs sct sda sdb sdc sdd sdh sdo sdp sdr sds sdt sh- sha shb shc shd shh sho shp shr shs sht soa sob soc sod soh soo sop sor sos sot spa spb spc spd sph spo spp spr sps spt sr- sra srb src srd srh sro srp srr srs srt ss- ssa ssb ssc ssd ssh sso ssp ssr sss sst sta stb stc std sth sto stp str sts stt taa tab tac tad tah tao tap tar tas tat tba tbb tbc tbd tbh tbo tbp tbr tbs tbt tca tcb tcc tcd tch tco tcp tcr tcs tct tda tdb tdc tdd tdh tdo tdp tdr tds tdt th- tha thb thc thd thh tho thp thr ths tht to- toa tob toc tod toh too top tor tos tot tpa tpb tpc tpd tph tpo tpp tpr tps tpt tra trb trc trd