-er a-a a-i a-t aaa aad aae aag aai aap aar aat ad- ada add ade adg adi adp adr adt aea aed aee aeg aei aep aer aet ag- aga agd age agg agi agp agr agt ai- aia aid aie aig aii aip air ait ap- apa apd ape apg api app apr apt ar- ara ard are arg ari arp arr art at- ata atd ate atg ati atp atr att daa dad dae dag dai dap dar dat dda ddd dde ddg ddi ddp ddr ddt de- dea ded dee deg dei dep der det dga dgd dge dgg dgi dgp dgr dgt di- dia did die dig dii dip dir dit dpa dpd dpe dpg dpi dpp dpr dpt dra drd dre drg dri drp drr drt dta dtd dte dtg dti dtp dtr dtt eaa ead eae eag eai eap ear eat ed- eda edd ede edg edi edp edr edt eea eed eee eeg eep eer eet ega egd ege egg egi egp egr egt eia eid eie eig eii eip eir eit ep- epa epd epe epg epi epp epr ept era erd ere erg eri erp err ert eta etd ete etg eti etp etr ett g-d g-p gaa gad gae gag gai gap gar gat gda gdd gde gdi gdp gdr gdt ge- gea ged gee geg gei gep ger get gga ggd ggg ggi ggp ggr ggt gia gid gie gig gii gip gir git gpa gpd gpe gpg gpi gpp gpr gpt gra grd gre grg gri grp grr grt gta gtd gte gtg gti gtp gtr gtt i-d ia- iaa iad iae iag iai iap iar iat ida idd ide idg idi idp idr idt ie- iea ied iee ieg iei iep ier iet iga igd ige igg igi igp igr igt iia iid iie iii iip iir iit ipa ipd ipe ipg ipi ipp ipr ipt ir- ira ird ire irg iri irp irr irt ita itd ite itg iti itp itt p-p paa pad pae pag pai pap par pat pda pdd pde pdg pdi pdp pdr pdt pea ped pee peg pei pep per pet pga pgd pge pgg pgi pgp pgr pgt pia pid pie pig pii pip pir pit ppa ppd ppe ppg ppi ppp ppr ppt pra prd pre prg pri prp prr prt pt- pta ptd pte ptg pti ptp ptr ptt ra- raa rad rae rag rai rap rar rat rda rdd rde rdg rdi rdp rdr rdt re- rea red ree reg rei rep rer ret rga rgd rge rgg rgi rgp rgr rgt ria rid rie rig rii rip rir rit rpa rpd rpe rpg rpi rpp rpr rpt rra rrd rrg rri rrp rrr rrt rta rtd rte rtg rti rtp rtr rtt taa tad tae tag tai tap tar tat tda tdd tde tdg tdi tdp tdr tdt te- tea ted tee teg tei tep ter tet tga tge tgg tgi tgp tgr tgt tia tid tie tig tii tip tir tit tpa tpd tpe tpg tpi tpp tpr tpt tra trd tre trg tri trp trr trt tta ttd tte ttg tti ttp ttr ttt