-th a-a a-b a-c a-t aaa aab aac aad aah aao aap aar aas aat aax aay ab- aba abb abc abd abh abo abp abr abs abt abx aby ac- aca acb acc acd ach aco acp acr acs act acx acy ad- ada adb adc add adh ado adp adr ads adt adx ady aha ahb ahc ahd ahh aho ahp ahr ahs aht ahx ahy aoa aob aoc aod aoh aoo aop aor aos aot aox ap- apa apb apc apd aph apo app apr aps apt apx apy ar- ara arb arc ard arh aro arp arr ars art arx ary as- asa asb asc asd ash aso asp asr ass ast asx asy at- ata atb atc atd ath ato atp atr ats att atx ax- axa axh axo axp axr axs axt axx ay- aya ayc ayd ayh ayo ayp ayr ays ayt ayx b-p baa bab bac bad bah bao bap bar bas bat bax bay bba bbb bbc bbd bbh bbo bbp bbr bbs bbt bbx bby bca bcb bcc bcd bch bco bcp bcr bcs bct bcx bcy bda bdb bdc bdd bdh bdo bdp bdr bds bdt bdx bdy bha bhb bhc bhd bhh bho bhp bhr bhs bht bhx boa bob boc bod boh boo bop bor bos bot box boy bpa bpb bpc bpd bph bpo bpp bpr bps bpt bpx bpy bra brb brd brh bro brp brr brs brt brx bry bsa bsb bsc bsd bsh bso bsp bsr bss bst bsx bsy bta btb btc btd bth bto btp btr bts btt btx bty bxb bxd bxo bxx by- bya byc byd byh byo byp byr bys byt c-- caa cab cac cad cah cao cap car cas cat cax cay cba cbb cbc cbd cbh cbo cbp cbr cbs cbt cbx cby cca ccb ccc ccd cch cco ccp ccr ccs cct ccx cda cdb cdc cdd cdh cdo cdp cdr cds cdt cdx cdy ch- cha chb chc chd chh cho chp chr chs cht chx chy co- coa cob coc cod coh coo cop cor cos cot cox coy cpa cpb cpc cpd cph cpo cpp cpr cps cpt cpx cra crb crc crd crh cro crp crr crs crt crx cry csa csb csc csd csh cso csp csr css cst csx csy cta ctb ctc ctd cth cto ctp ctr cts ctt ctx cty cxc cxh cxo cxp cxr cxs cxt cxx cya cyb cyc cyd cyo cyp cyr cys cyt daa dab dac dad dah dao dap dar das dat dax day dba dbb dbc dbd dbh dbo dbp dbr dbs dbt dbx dby dca dcb dcc dcd dco dcp dcr dcs dct dcx dda ddb ddc ddd ddh ddo ddp ddr dds ddt ddx ddy dh- dha dhb dhc dhd dhh dho dhp dhr dhs dht doa dob doc dod doh doo dop dor dos dot dox doy dpa dpb dpc dpd dph dpo dpp dpr dps dpt dra drb drc drd dro drp drr drs drt drx dry dsa dsb dsc dsd dsh dso dsp dsr dss dst dsx dsy dta dtb dtc dtd dth dto dtp dtr dts dtt dtx dty dxc dxd dxo dxp dxr dxs dxt dxx dy- dya dyb dyc dyd dyo dyp dyr dys dyy haa hab hac had hah hao hap har has hat hax hay hba hbb hbc hbd hbh hbo hbp hbr hbs hbt hbx hby hca hcb hcc hcd hch hco hcp hcr hcs hct hcy hda hdb hdc hdd hdh hdo hdp hdr hds hdt hdx hdy hha hhb hhc hhd hhh hho hhp hhr hhs hht hhy hoa hob hoc hod hoh hoo hop hor hos hot hox hoy hpa hpb hpc hpd hph hpo hpp hpr hps hpt hpy hr- hra hrb hrc hrd hrh hro hrp hrr hrs hrt hsa hsb hsc hsd hsh hsp hsr hss hst hsx hsy hta htb htc htd hth hto htp htr hts htt htx hty hxc hxd hy- hya hyb hyc hyd hyh hyo hyp hyr hys hyt hyy oaa oab oac oad oah oao oap oar oas oat oax ob- oba obb obc obd obh obo obp obr obs obt obx oby oc- oca ocb occ ocd och oco ocp ocr ocs oct ocx 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 oox op- opa opb opc opd oph opo opp opr ops opt opx opy or- ora orb orc ord orh oro orp orr ors ort orx ory os- osa osb osc osd osh oso osp osr oss ost osx ot- ota otb otc otd oth oto otp otr ots ott ox- oxa oxb oxc oxo oxt oxx oxy oya oyd oyo oys p-p paa pab pac pad pah pao pap par pas pat pax pay pba pbb pbc pbd pbo pbp pbr pbs pbt pbx pby pca pcb pcc pcd pch pco pcp pcr pcs pct pcx pda pdb pdc pdd pdh pdo pdp pdr pds pdt pdx pha phb phc phd pho php phr phs pht phx phy poa pob poc pod poh poo pop por pos pot pox poy ppa ppb ppc ppd pph ppo ppp ppr pps ppt ppx pra prb prc prd prh pro prp prr prs prt prx pry ps- psa psb psc psd psh pso psp psr pss pst psx psy pt- pta ptb ptc ptd pth pto ptp ptr pts ptt ptx pty pxc pxr pxs pxt py- pya pyb pyc pyd pyo pyr pys pyt pyx ra- raa rab rac rad rah rao rap rar ras rat rax ray rba rbb rbc rbd rbh rbo rbp rbr rbs rbt rbx rca rcb rcc rcd rch rco rcp rcr rcs rct rcx rda rdb rdc rdd rdh rdo rdp rdr rds rdt rdx rdy rh- rha rhb rhc rhd rhh rho rhp rhr rhs rht