-al -ol a-a aaa aad aae aaf aag aal aao ad- ada add ade adf adg adl ado aea aed aee aef aeg ael aeo af- afa afd afe aff afg afl afo ag- aga agd age agf agg agl ago al- ala ald ale alf alg all alo aoa aod aoe aof aog aol aoo daa dad dae daf dag dal dao dda ddd dde ddf ddg ddl ddo de- dea ded dee def deg del deo dfa dfd dfe dff dfg dfl dfo dga dgd dge dgf dgg dgl dl- dla dld dle dlf dlg dll dlo doa dod doe dof dog dol doo eaa ead eae eaf eag eal eao ed- eda edd ede edf edg edl edo eea eed eee eef eeg eel eeo ef- efa efd efe eff efg efl efo ega egd ege egf egg egl ego ela eld ele elf elg ell elo eo- eoa eod eoe eof eog eol eoo faa fad fae faf fag fal fao fda fdd fde fdf fdg fdl fdo fea fed fee fef feg fel feo ffa ffd ffe fff ffg ffl ffo fga fgd fge fgf fgg fgl fla fld fle flf flg fll flo foa foe fof fog fol foo g-d gaa gad gae gaf gag gal gao gda gdd gde gdf gdl gdo ge- gea ged gee gef geg gel geo gfa gfd gfe gff gfl gfo gga ggd ggg ggo gla gld gle glf glg gll glo goa god goe gof gog gol goo la- laa lad lae laf lag lal lao lda ldd lde ldf ldg ldl ldo lea led lee lef leg lel leo lfa lfd lfe lff lfg lfl lfo lga lgd lge lgf lgg lgl lgo lla lld lle llf llg lll llo loa lod loe lof log lol loo oaa oad oae oaf oag oal oao oda odd ode odf odg odl odo oea oed oee oef oeg oel oeo of- ofa ofd ofe off ofg ofl ofo oga ogd oge ogf ogg ogl ogo ola old ole olf olg oll olo oo- ooa ood oof oog ool ooo