-al -er -ol a-a aaa aad aae aaf aag aal aao aar ad- ada add ade adf adg adl ado adr aea aed aee aef aeg ael aeo aer af- afa afd afe aff afg afl afo afr ag- aga agd age agf agg agl ago agr al- ala ald ale alf alg all alo alr aoa aod aoe aof aog aol aoo aor ar- ara ard are arf arg arl aro arr daa dad dae daf dag dal dao dar dda ddd dde ddf ddg ddl ddo ddr de- dea ded dee def deg del deo der dfa dfd dfe dff dfg dfl dfo dfr dga dgd dge dgf dgg dgl dgr dl- dla dld dle dlf dlg dll dlo dlr doa dod doe dof dog dol doo dor dra drd dre drg drl dro drr eaa ead eae eaf eag eal eao ear ed- eda edd ede edf edg edl edo edr eea eed eee eef eeg eel eeo eer ef- efa efd efe eff efg efl efo efr ega egd ege egf egg egl ego egr ela eld ele elf elg ell elo elr eo- eoa eod eoe eof eog eol eoo eor era erd ere erf erg erl ero err faa fad fae faf fag fal fao far fda fdd fde fdf fdg fdl fdo fdr fea fed fee fef feg fel feo fer ffa ffd ffe fff ffg ffl ffo ffr fga fgd fge fgf fgg fgl fgr fla fld fle flf flg fll flo flr foa foe fof fog fol foo for fra frd fre frf frg frl fro frr g-d gaa gad gae gaf gag gal gao gar gda gdd gde gdf gdl gdo gdr ge- gea ged gee gef geg gel geo ger gfa gfd gfe gff gfl gfo gfr gga ggd ggg ggo ggr gla gld gle glf glg gll glo glr goa god goe gof gog gol goo gor gra grd gre grf grg grl gro grr la- laa lad lae laf lag lal lao lar lda ldd lde ldf ldg ldl ldo ldr lea led lee lef leg lel leo ler lfa lfd lfe lff lfg lfl lfo lfr lga lgd lge lgf lgg lgl lgo lgr lla lld lle llf llg lll llo llr loa lod loe lof log lol loo lor lra lrd lrf lrg lro lrr oaa oad oae oaf oag oal oao oar oda odd ode odf odg odl odo odr oea oed oee oef oeg oel oeo oer of- ofa ofd ofe off ofg ofl ofo ofr oga ogd oge ogf ogg ogl ogo ola old ole olf olg oll olo oo- ooa ood oof oog ool ooo oor or- ora ord ore orf org orl oro orr ra- raa rad rae raf rag ral rao rar rda rdd rde rdf rdg rdl rdo rdr re- rea red ree ref reg rel reo rer rfa rfd rfe rff rfg rfl rfo rfr rga rgd rge rgf rgg rgo rgr rla rld rle rlf rlg rll rlo rlr roa rod roe rof rog rol roo ror rra rrd rrf rrg rrl rrr