-er -th a-a a-b a-t aaa aab aad aae aah aap aar aat ab- aba abb abd abe abh abp abr abt ad- ada adb add ade adh adp adr adt aea aeb aed aee aeh aep aer aet aha ahb ahd ahe ahh ahp ahr aht ap- apa apb apd ape aph app apr apt ar- ara arb ard are arh arp arr art at- ata atb atd ate ath atp atr att b-p baa bab bad bae bah bap bar bat bba bbb bbd bbe bbh bbp bbr bbt bda bdb bdd bde bdh bdp bdr bdt be- bea beb bed bee beh bep ber bet bha bhb bhd bhe bhh bhp bhr bht bpa bpb bpd bpe bph bpp bpr bpt bra brb brd bre brh brp brr brt bta btb btd bte bth btp btr btt daa dab dad dae dah dap dar dat dba dbb dbd dbe dbh dbp dbr dbt dda ddb ddd dde ddh ddp ddr ddt de- dea deb ded dee deh dep der det dh- dha dhb dhd dhe dhh dhp dhr dht dpa dpb dpd dpe dph dpp dpr dpt dra drb drd dre drp drr drt dta dtb dtd dte dth dtp dtr dtt eaa eab ead eae eah eap ear eat eba ebb ebd ebe ebh ebp ebr ebt ed- eda edb edd ede edh edp edr edt eea eeb eed eee eep eer eet eha ehb ehd ehe ehh ehp ehr eht ep- epa epb epd epe eph epp epr ept era erb erd ere erh erp err ert eta etb etd ete eth etp etr ett haa hab had hae hah hap har hat hba hbb hbd hbe hbh hbp hbr hbt hda hdb hdd hde hdh hdp hdr hdt he- hea heb hed hee heh hep her het hha hhb hhd hhe hhh hhp hhr hht hpa hpb hpd hpe hph hpp hpr hpt hr- hra hrb hrd hre hrh hrp hrr hrt hta htb htd hte hth htp htr htt p-p paa pab pad pae pah pap par pat pba pbb pbd pbe pbp pbr pbt pda pdb pdd pde pdh pdp pdr pdt pea peb ped pee peh pep per pet pha phb phd phe php phr pht ppa ppb ppd ppe pph ppp ppr ppt pra prb prd pre prh prp prr prt pt- pta ptb ptd pte pth ptp ptr ptt ra- raa rab rad rae rah rap rar rat rba rbb rbd rbe rbh rbp rbr rbt rda rdb rdd rde rdh rdp rdr rdt re- rea reb red ree reh rep rer ret rh- rha rhb rhd rhe rhh rhp rhr rht rpa rpb rpd rpe rph rpp rpr rpt rra rrb rrd rrh rrp rrr rrt rta rtb rtd rte rtp rtr rtt taa tab tad tae tah tap tar tat tba tbb tbd tbe tbh tbp tbr tbt tda tdb tdd tde tdh tdp tdr tdt te- tea teb ted tee teh tep ter tet th- tha thb thd the thh thp thr tht tpa tpb tpd tpe tph tpp tpr tpt tra trb trd tre trh trp trr trt tta ttb ttd tte tth ttp ttr ttt