-al -ol a-a a-b a-t aaa aab aad aae aag aal aao aat ab- aba abb abd abe abg abl abo abt ad- ada adb add ade adg adl ado adt aea aeb aed aee aeg ael aeo aet ag- aga agb agd age agg agl ago agt al- ala alb ald ale alg all alo alt aoa aob aod aoe aog aol aoo aot at- ata atb atd ate atg atl ato att baa bab bad bae bag bal bao bat bba bbb bbd bbe bbg bbl bbo bbt bda bdb bdd bde bdg bdl bdo bdt be- bea beb bed bee beg bel beo bet bga bgb bgd bge bgg bgl bgo bgt bla blb bld ble blg bll blo blt boa bob bod boe bog bol boo bot bta btb btd bte btg btl bto btt daa dab dad dae dag dal dao dat dba dbb dbd dbe dbg dbl dbo dbt dda ddb ddd dde ddg ddl ddo ddt de- dea deb ded dee deg del deo det dga dgd dge dgg dgl dgt dl- dla dlb dld dle dlg dll dlo dlt doa dob dod doe dog dol doo dot dta dtb dtd dte dtg dtl dto dtt eaa eab ead eae eag eal eao eat eba ebb ebd ebe ebg ebl ebo ebt ed- eda edb edd ede edg edl edo edt eea eeb eed eee eeg eel eeo eet ega egb egd ege egg egl ego egt ela elb eld ele elg ell elo elt eo- eoa eob eod eoe eog eol eoo eot eta etb etd ete etg etl eto ett g-d gaa gab gad gae gag gal gao gat gba gbd gbe gbg gbl gbo gbt gda gdb gdd gde gdl gdo gdt ge- gea geb ged gee geg gel geo get gga ggb ggd ggg ggo ggt gla glb gld gle glg gll glo glt goa gob god goe gog gol goo got gta gtb gtd gte gtg gtl gto gtt la- laa lab lad lae lag lal lao lat lba lbb lbd lbe lbg lbl lbo lbt lda ldb ldd lde ldg ldl ldo ldt lea leb led lee leg lel leo let lga lgb lgd lge lgg lgl lgo lgt lla llb lld lle llg lll llo llt loa lob lod loe log lol loo lot lta ltb ltd lte ltg ltl lto ltt oaa oab oad oae oag oal oao oat ob- oba obb obd obe obg obl obo obt oda odb odd ode odg odl odo odt oea oeb oed oee oeg oel oeo oet oga ogd oge ogg ogl ogo ogt ola olb old ole olg oll olo olt oo- ooa oob ood oog ool ooo oot ot- ota otb otd ote otg otl oto ott taa tab tad tae tag tal tao tat tba tbb tbd tbe tbg tbl tbo tbt tda tdb tdd tde tdg tdl tdo tdt te- tea teb ted tee teg tel teo tet tga tgb tge tgg tgl tgo tgt tla tld tle tlg tll tlo tlt to- toa tob tod toe tog tol too tot tta ttb ttd tte ttg ttl tto ttt