-al -er -ol a-a a-b a-t aaa aab aad aae aag aal aao aar aat ab- aba abb abd abe abg abl abo abr abt ad- ada adb add ade adg adl ado adr adt aea aeb aed aee aeg ael aeo aer aet ag- aga agb agd age agg agl ago agr agt al- ala alb ald ale alg all alo alr alt aoa aob aod aoe aog aol aoo aor aot ar- ara arb ard are arg arl aro arr art at- ata atb atd ate atg atl ato atr att baa bab bad bae bag bal bao bar bat bba bbb bbd bbe bbg bbl bbo bbr bbt bda bdb bdd bde bdg bdl bdo bdr bdt be- bea beb bed bee beg bel beo ber bet bga bgb bgd bge bgg bgl bgo bgr bgt bla blb bld ble blg bll blo blr blt boa bob bod boe bog bol boo bor bot bra brb brd bre brg brl bro brr brt bta btb btd bte btg btl bto btr btt daa dab dad dae dag dal dao dar dat dba dbb dbd dbe dbg dbl dbo dbr dbt dda ddb ddd dde ddg ddl ddo ddr ddt de- dea deb ded dee deg del deo der det dga dgd dge dgg dgl dgr dgt dl- dla dlb dld dle dlg dll dlo dlr dlt doa dob dod doe dog dol doo dor dot dra drb drd dre drg drl dro drr drt dta dtb dtd dte dtg dtl dto dtr dtt eaa eab ead eae eag eal eao ear eat eba ebb ebd ebe ebg ebl ebo ebr ebt ed- eda edb edd ede edg edl edo edr edt eea eeb eed eee eeg eel eeo eer eet ega egb egd ege egg egl ego egr egt ela elb eld ele elg ell elo elr elt eo- eoa eob eod eoe eog eol eoo eor eot era erb erd ere erg erl ero err ert eta etb etd ete etg etl eto etr ett g-d gaa gab gad gae gag gal gao gar gat gba gbd gbe gbg gbl gbo gbr gbt gda gdb gdd gde gdl gdo gdr gdt ge- gea geb ged gee geg gel geo ger get gga ggb ggd ggg ggo ggr ggt gla glb gld gle glg gll glo glr glt goa gob god goe gog gol goo gor got gra grb grd gre grg grl gro grr grt gta gtb gtd gte gtg gtl gto gtr gtt la- laa lab lad lae lag lal lao lar lat lba lbb lbd lbe lbg lbl lbo lbr lbt lda ldb ldd lde ldg ldl ldo ldr ldt lea leb led lee leg lel leo ler let lga lgb lgd lge lgg lgl lgo lgr lgt lla llb lld lle llg lll llo llr llt loa lob lod loe log lol loo lor lot lra lrb lrd lrg lro lrr lrt lta ltb ltd lte ltg ltl lto ltr ltt oaa oab oad oae oag oal oao oar oat ob- oba obb obd obe obg obl obo obr obt oda odb odd ode odg odl odo odr odt oea oeb oed oee oeg oel oeo oer oet oga ogd oge ogg ogl ogo ogt ola olb old ole olg oll olo olt oo- ooa oob ood oog ool ooo oor oot or- ora orb ord ore org orl oro orr ort ot- ota otb otd ote otg otl oto otr ott ra- raa rab rad rae rag ral rao rar rat rba rbb rbd rbe rbg rbl rbo rbr rbt rda rdb rdd rde rdg rdl rdo rdr rdt re- rea reb red ree reg rel reo rer ret rga rgb rgd rge rgg rgo rgr rgt rla rld rle rlg rll rlo rlr rlt roa rob rod roe rog rol roo ror rot rra rrb rrd rrg rrl rrr rrt rta rtb rtd rte rtg rtl rto rtr rtt taa tab tad tae tag tal tao tar tat tba tbb tbd tbe tbg tbl tbo tbr tbt tda tdb tdd tde tdg tdl tdo tdr tdt te- tea teb ted tee teg tel teo ter tet tga tgb tge tgg tgl tgo tgr tgt tla tld tle tlg tll tlo tlr tlt to- toa tob tod toe tog tol too tor tot tra trb trd tre trg trl tro trr trt tta ttb ttd tte ttg ttl tto ttr ttt