-th a-a a-b a-t aaa aab aad aah aao aap aar aat ab- aba abb abd abh abo abp abr abt ad- ada adb add adh ado adp adr adt aha ahb ahd ahh aho ahp ahr aht aoa aob aod aoh aoo aop aor aot ap- apa apb apd aph apo app apr apt ar- ara arb ard arh aro arp arr art at- ata atb atd ath ato atp atr att b-p baa bab bad bah bao bap bar bat bba bbb bbd bbh bbo bbp bbr bbt bda bdb bdd bdh bdo bdp bdr bdt bha bhb bhd bhh bho bhp bhr bht boa bob bod boh boo bop bor bot bpa bpb bpd bph bpo bpp bpr bpt bra brb brd brh bro brp brr brt bta btb btd bth bto btp btr btt daa dab dad dah dao dap dar dat dba dbb dbd dbh dbo dbp dbr dbt dda ddb ddd ddh ddo ddp ddr ddt dh- dha dhb dhd dhh dho dhp dhr dht doa dob dod doh doo dop dor dot dpa dpb dpd dph dpo dpp dpr dpt dra drb drd dro drp drr drt dta dtb dtd dth dto dtp dtr dtt haa hab had hah hao hap har hat hba hbb hbd hbh hbo hbp hbr hbt hda hdb hdd hdh hdo hdp hdr hdt hha hhb hhd hhh hho hhp hhr hht hoa hob hod hoh hoo hop hor hot hpa hpb hpd hph hpo hpp hpr hpt hr- hra hrb hrd hrh hro hrp hrr hrt hta htb htd hth hto htp htr htt oaa oab oad oah oao oap oar oat ob- oba obb obd obh obo obp obr obt oda odb odd odh odo odp odr odt oha ohd ohh oho ohp ohr oht oo- ooa oob ood ooh ooo oop oor oot op- opa opb opd oph opo opp opr opt or- ora orb ord orh oro orp orr ort ot- ota otb otd oth oto otp otr ott p-p paa pab pad pah pao pap par pat pba pbb pbd pbo pbp pbr pbt pda pdb pdd pdh pdo pdp pdr pdt pha phb phd pho php phr pht poa pob pod poh poo pop por pot ppa ppb ppd pph ppo ppp ppr ppt pra prb prd prh pro prp prr prt pt- pta ptb ptd pth pto ptp ptr ptt ra- raa rab rad rah rao rap rar rat rba rbb rbd rbh rbo rbp rbr rbt rda rdb rdd rdh rdo rdp rdr rdt rh- rha rhb rhd rhh rho rhp rhr rht roa rob rod roh roo rop ror rot rpa rpb rpd rph rpo rpp rpr rpt rra rrb rrd rrh rrp rrr rrt rta rtb rtd rto rtp rtr rtt taa tab tad tah tao tap tar tat tba tbb tbd tbh tbo tbp tbr tbt tda tdb tdd tdh tdo tdp tdr tdt th- tha thb thd thh tho thp thr tht to- toa tob tod toh too top tor tot tpa tpb tpd tph tpo tpp tpr tpt tra trb trd trh tro trp trr trt tta ttb ttd tth tto ttp ttr ttt