-er a-a a-i a-t aaa aad aae aag aai aao aap aar aat ad- ada add ade adg adi ado adp adr adt aea aed aee aeg aei aeo aep aer aet ag- aga agd age agg agi ago agp agr agt ai- aia aid aie aig aii aio aip air ait aoa aod aoe aog aoi aoo aop aor aot ap- apa apd ape apg api apo app apr apt ar- ara ard are arg ari aro arp arr art at- ata atd ate atg ati ato atp atr att daa dad dae dag dai dao dap dar dat dda ddd dde ddg ddi ddo ddp ddr ddt de- dea ded dee deg dei deo dep der det dga dgd dge dgg dgi dgp dgr dgt di- dia did die dig dii dio dip dir dit doa dod doe dog doi doo dop dor dot dpa dpd dpe dpg dpi dpo dpp dpr dpt dra drd dre drg dri dro drp drr drt dta dtd dte dtg dti dto dtp dtr dtt eaa ead eae eag eai eao eap ear eat ed- eda edd ede edg edi edo edp edr edt eea eed eee eeg eeo eep eer eet ega egd ege egg egi ego egp egr egt eia eid eie eig eii eio eip eir eit eo- eoa eod eoe eog eoi eoo eop eor eot ep- epa epd epe epg epi epo epp epr ept era erd ere erg eri ero erp err ert eta etd ete etg eti eto etp etr ett g-d g-p gaa gad gae gag gai gao gap gar gat gda gdd gde gdi gdo gdp gdr gdt ge- gea ged gee geg gei geo gep ger get gga ggd ggg ggi ggo ggp ggr ggt gia gid gie gig gii gio gip gir git goa god goe gog goi goo gop gor got gpa gpd gpe gpg gpi gpo gpp gpr gpt gra grd gre grg gri gro grp grr grt gta gtd gte gtg gti gto gtp gtr gtt i-d ia- iaa iad iae iag iai iao iap iar iat ida idd ide idg idi ido idp idr idt ie- iea ied iee ieg iei iep ier iet iga igd ige igg igi igo igp igr igt iia iid iie iii iio iip iir iit io- ioa iod ioe iog ioi ioo iop ior iot ipa ipd ipe ipg ipi ipo ipp ipr ipt ir- ira ird ire irg iri iro irp irr irt ita itd ite itg iti ito itp itt o-i oaa oad oae oag oai oao oap oar oat oda odd ode odg odi odo odp odr odt oea oed oee oeg oei oeo oep oer oet oga ogd oge ogg ogi ogo ogp ogt oia oid oie oii oio oip oir oit oo- ooa ood oog ooi ooo oop oor oot op- opa opd ope opg opi opo opp opr opt or- ora ord ore org ori oro orp orr ort ot- ota otd ote otg oti oto otp otr ott p-p paa pad pae pag pai pao pap par pat pda pdd pde pdg pdi pdo pdp pdr pdt pea ped pee peg pei peo pep per pet pga pgd pge pgg pgi pgo pgp pgr pgt pia pid pie pig pii pio pip pir pit poa pod poe pog poi poo pop por pot ppa ppd ppe ppg ppi ppo ppp ppr ppt pra prd pre prg pri pro prp prr prt pt- pta ptd pte ptg pti pto ptp ptr ptt ra- raa rad rae rag rai rao rap rar rat rda rdd rde rdg rdi rdo rdp rdr rdt re- rea red ree reg rei reo rep rer ret rga rgd rge rgg rgi rgo rgp rgr rgt ria rid rie rig rii rio rip rir rit roa rod roe rog roi roo rop ror rot rpa rpd rpe rpg rpi rpo rpp rpr rpt rra rrd rrg rri rrp rrr rrt rta rtd rte rtg rti rto rtp rtr rtt taa tad tae tag tai tao tap tar tat tda tdd tde tdg tdi tdo tdp tdr tdt te- tea ted tee teg tei teo tep ter tet tga tge tgg tgi tgo tgp tgr tgt tia tid tie tig tii tio tip tir tit to- toa tod toe tog toi too top tor tot tpa tpd tpe tpg tpi tpo tpp tpr tpt tra trd tre trg tri tro trp trr trt tta ttd tte ttg tti tto ttp ttr ttt