-al -ol a-a a-b aaa aab aad aag aal aao aar ab- aba abb abd abg abl abo abr ad- ada adb add adg adl ado adr ag- aga agb agd agg agl ago agr al- ala alb ald alg all alo alr aoa aob aod aog aol aoo aor ar- ara arb ard arg arl aro arr baa bab bad bag bal bao bar bba bbb bbd bbg bbl bbo bbr bda bdb bdd bdg bdl bdo bdr bga bgb bgd bgg bgl bgo bgr bla blb bld blg bll blo blr boa bob bod bog bol boo bor bra brb brd brg brl bro brr daa dab dad dag dal dao dar dba dbb dbd dbg dbl dbo dbr dda ddb ddd ddg ddl ddo ddr dga dgd dgg dgl dgr dl- dla dlb dld dlg dll dlo dlr doa dob dod dog dol doo dor dra drb drd drg drl dro drr g-d gaa gab gad gag gal gao gar gba gbd gbg gbl gbo gbr gda gdb gdd gdl gdo gdr gga ggb ggd ggg ggo ggr gla glb gld glg gll glo glr goa gob god gog gol goo gor gra grb grd grg grl gro grr la- laa lab lad lag lal lao lar lba lbb lbd lbg lbl lbo lbr lda ldb ldd ldg ldl ldo ldr lga lgb lgd lgg lgl lgo lgr lla llb lld llg lll llo llr loa lob lod log lol loo lor lra lrb lrd lrg lro lrr oaa oab oad oag oal oao oar ob- oba obb obd obg obl obo obr oda odb odd odg odl odo odr oga ogd ogg ogl ogo ola olb old olg oll olo oo- ooa oob ood oog ool ooo oor or- ora orb ord org orl oro orr ra- raa rab rad rag ral rao rar rba rbb rbd rbg rbl rbo rbr rda rdb rdd rdg rdl rdo rdr rga rgb rgd rgg rgo rgr rla rld rlg rll rlo rlr roa rob rod rog rol roo ror rra rrb rrd rrg rrl rrr