-er a-a a-t aaa aad aae aag aao aap aar aat ad- ada add ade adg ado adp adr adt aea aed aee aeg aeo aep aer aet ag- aga agd age agg ago agp agr agt aoa aod aoe aog aoo aop aor aot ap- apa apd ape apg apo app apr apt ar- ara ard are arg aro arp arr art at- ata atd ate atg ato atp atr att daa dad dae dag dao dap dar dat dda ddd dde ddg ddo ddp ddr ddt de- dea ded dee deg deo dep der det dga dgd dge dgg dgp dgr dgt doa dod doe dog doo dop dor dot dpa dpd dpe dpg dpo dpp dpr dpt dra drd dre drg dro drp drr drt dta dtd dte dtg dto dtp dtr dtt eaa ead eae eag eao eap ear eat ed- eda edd ede edg edo edp edr edt eea eed eee eeg eeo eep eer eet ega egd ege egg ego egp egr egt eo- eoa eod eoe eog eoo eop eor eot ep- epa epd epe epg epo epp epr ept era erd ere erg ero erp err ert eta etd ete etg eto etp etr ett g-d g-p gaa gad gae gag gao gap gar gat gda gdd gde gdo gdp gdr gdt ge- gea ged gee geg geo gep ger get gga ggd ggg ggo ggp ggr ggt goa god goe gog goo gop gor got gpa gpd gpe gpg gpo gpp gpr gpt gra grd gre grg gro grp grr grt gta gtd gte gtg gto gtp gtr gtt oaa oad oae oag oao oap oar oat oda odd ode odg odo odp odr odt oea oed oee oeg oeo oep oer oet oga ogd oge ogg ogo ogp ogt oo- ooa ood oog ooo oop oor oot op- opa opd ope opg opo opp opr opt or- ora ord ore org oro orp orr ort ot- ota otd ote otg oto otp otr ott p-p paa pad pae pag pao pap par pat pda pdd pde pdg pdo pdp pdr pdt pea ped pee peg peo pep per pet pga pgd pge pgg pgo pgp pgr pgt poa pod poe pog poo pop por pot ppa ppd ppe ppg ppo ppp ppr ppt pra prd pre prg pro prp prr prt pt- pta ptd pte ptg pto ptp ptr ptt ra- raa rad rae rag rao rap rar rat rda rdd rde rdg rdo rdp rdr rdt re- rea red ree reg reo rep rer ret rga rgd rge rgg rgo rgp rgr rgt roa rod roe rog roo rop ror rot rpa rpd rpe rpg rpo rpp rpr rpt rra rrd rrg rrp rrr rrt rta rtd rte rtg rto rtp rtr rtt taa tad tae tag tao tap tar tat tda tdd tde tdg tdo tdp tdr tdt te- tea ted tee teg teo tep ter tet tga tge tgg tgo tgp tgr tgt to- toa tod toe tog too top tor tot tpa tpd tpe tpg tpo tpp tpr tpt tra trd tre trg tro trp trr trt tta ttd tte ttg tto ttp ttr ttt