-er -th a-a a-t aaa aad aae aag aah aap aar aat ad- ada add ade adg adh adp adr adt aea aed aee aeg aeh aep aer aet ag- aga agd age agg agh agp agr agt aha ahd ahe ahg ahh ahp ahr aht ap- apa apd ape apg aph app apr apt ar- ara ard are arg arh arp arr art at- ata atd ate atg ath atp atr att daa dad dae dag dah dap dar dat dda ddd dde ddg ddh ddp ddr ddt de- dea ded dee deg deh dep der det dga dgd dge dgg dgh dgp dgr dgt dh- dha dhd dhe dhh dhp dhr dht dpa dpd dpe dpg dph dpp dpr dpt dra drd dre drg drp drr drt dta dtd dte dtg dth dtp dtr dtt eaa ead eae eag eah eap ear eat ed- eda edd ede edg edh edp edr edt eea eed eee eeg eep eer eet ega egd ege egg egh egp egr egt eha ehd ehe ehg ehh ehp ehr eht ep- epa epd epe epg eph epp epr ept era erd ere erg erh erp err ert eta etd ete etg eth etp etr ett g-d g-p gaa gad gae gag gah gap gar gat gda gdd gde gdh gdp gdr gdt ge- gea ged gee geg geh gep ger get gga ggd ggg ggh ggp ggr ggt gha ghd ghe ghg ghh ghp ghr ght gpa gpd gpe gpg gph gpp gpr gpt gra grd gre grg grh grp grr grt gta gtd gte gtg gth gtp gtr gtt haa had hae hag hah hap har hat hda hdd hde hdg hdh hdp hdr hdt he- hea hed hee heg heh hep her het hga hge hgg hgh hgp hgr hgt hha hhd hhe hhg hhh hhp hhr hht hpa hpd hpe hpg hph hpp hpr hpt hr- hra hrd hre hrg hrh hrp hrr hrt hta htd hte htg hth htp htr htt p-p paa pad pae pag pah pap par pat pda pdd pde pdg pdh pdp pdr pdt pea ped pee peg peh pep per pet pga pgd pge pgg pgh pgp pgr pgt pha phd phe phg php phr pht ppa ppd ppe ppg pph ppp ppr ppt pra prd pre prg prh prp prr prt pt- pta ptd pte ptg pth ptp ptr ptt ra- raa rad rae rag rah rap rar rat rda rdd rde rdg rdh rdp rdr rdt re- rea red ree reg reh rep rer ret rga rgd rge rgg rgh rgp rgr rgt rh- rha rhd rhe rhg rhh rhp rhr rht rpa rpd rpe rpg rph rpp rpr rpt rra rrd rrg rrh rrp rrr rrt rta rtd rte rtg rtp rtr rtt taa tad tae tag tah tap tar tat tda tdd tde tdg tdh tdp tdr tdt te- tea ted tee teg teh tep ter tet tga tge tgg tgh tgp tgr tgt th- tha thd the thg thh thp thr tht tpa tpd tpe tpg tph tpp tpr tpt tra trd tre trg trh trp trr trt tta ttd tte ttg tth ttp ttr ttt