-al -ol a-a a-b a-t aaa aab aad aag aal aao aar aat ab- aba abb abd abg abl abo abr abt ad- ada adb add adg adl ado adr adt ag- aga agb agd agg agl ago agr agt al- ala alb ald alg all alo alr alt aoa aob aod aog aol aoo aor aot ar- ara arb ard arg arl aro arr art at- ata atb atd atg atl ato atr att baa bab bad bag bal bao bar bat bba bbb bbd bbg bbl bbo bbr bbt bda bdb bdd bdg bdl bdo bdr bdt bga bgb bgd bgg bgl bgo bgr bgt bla blb bld blg bll blo blr blt boa bob bod bog bol boo bor bot bra brb brd brg brl bro brr brt bta btb btd btg btl bto btr btt daa dab dad dag dal dao dar dat dba dbb dbd dbg dbl dbo dbr dbt dda ddb ddd ddg ddl ddo ddr ddt dga dgd dgg dgl dgr dgt dl- dla dlb dld dlg dll dlo dlr dlt doa dob dod dog dol doo dor dot dra drb drd drg drl dro drr drt dta dtb dtd dtg dtl dto dtr dtt g-d gaa gab gad gag gal gao gar gat gba gbd gbg gbl gbo gbr gbt gda gdb gdd gdl gdo gdr gdt gga ggb ggd ggg ggo ggr ggt gla glb gld glg gll glo glr glt goa gob god gog gol goo gor got gra grb grd grg grl gro grr grt gta gtb gtd gtg gtl gto gtr gtt la- laa lab lad lag lal lao lar lat lba lbb lbd lbg lbl lbo lbr lbt lda ldb ldd ldg ldl ldo ldr ldt lga lgb lgd lgg lgl lgo lgr lgt lla llb lld llg lll llo llr llt loa lob lod log lol loo lor lot lra lrb lrd lrg lro lrr lrt lta ltb ltd ltg ltl lto ltr ltt oaa oab oad oag oal oao oar oat ob- oba obb obd obg obl obo obr obt oda odb odd odg odl odo odr odt oga ogd ogg ogl ogo ogt ola olb old olg oll olo olt oo- ooa oob ood oog ool ooo oor oot or- ora orb ord org orl oro orr ort ot- ota otb otd otg otl oto otr ott ra- raa rab rad rag ral rao rar rat rba rbb rbd rbg rbl rbo rbr rbt rda rdb rdd rdg rdl rdo rdr rdt rga rgb rgd rgg rgo rgr rgt rla rld rlg rll rlo rlr rlt roa rob rod rog rol roo ror rot rra rrb rrd rrg rrl rrr rrt rta rtb rtd rtg rtl rto rtr rtt taa tab tad tag tal tao tar tat tba tbb tbd tbg tbl tbo tbr tbt tda tdb tdd tdg tdl tdo tdr tdt tga tgb tgg tgl tgo tgr tgt tla tld tlg tll tlo tlr tlt to- toa tob tod tog tol too tor tot tra trb trd trg trl tro trr trt tta ttb ttd ttg ttl tto ttr ttt