-al -er -ol a-a a-b a-i a-t aaa aab aad aae aag aai aal aao aar aat ab- aba abb abd abe abg abi abl abo abr abt ad- ada adb add ade adg adi adl ado adr adt aea aeb aed aee aeg aei ael aeo aer aet ag- aga agb agd age agg agi agl ago agr agt ai- aia aib aid aie aig aii ail aio air ait al- ala alb ald ale alg ali all alo alr alt aoa aob aod aoe aog aoi aol aoo aor aot ar- ara arb ard are arg ari arl aro arr art at- ata atb atd ate atg ati atl ato atr att baa bab bad bae bag bai bal bao bar bat bba bbb bbd bbe bbg bbi bbl bbo bbr bbt bda bdb bdd bde bdg bdi bdl bdo bdr bdt be- bea beb bed bee beg bei bel beo ber bet bga bgb bgd bge bgg bgi bgl bgo bgr bgt bi- bia bib bid bie big bii bil bio bir bit bla blb bld ble blg bli bll blo blr blt boa bob bod boe bog boi bol boo bor bot bra brb brd bre brg bri brl bro brr brt bta btb btd bte btg bti btl bto btr btt daa dab dad dae dag dai dal dao dar dat dba dbb dbd dbe dbg dbi dbl dbo dbr dbt dda ddb ddd dde ddg ddi ddl ddo ddr ddt de- dea deb ded dee deg dei del deo der det dga dgd dge dgg dgi dgl dgr dgt di- dia dib did die dig dii dil dio dir dit dl- dla dlb dld dle dlg dli dll dlo dlr dlt doa dob dod doe dog doi dol doo dor dot dra drb drd dre drg dri drl dro drr drt dta dtb dtd dte dtg dti dtl dto dtr dtt eaa eab ead eae eag eai eal eao ear eat eba ebb ebd ebe ebg ebi ebl ebo ebr ebt ed- eda edb edd ede edg edi edl edo edr edt eea eeb eed eee eeg eel eeo eer eet ega egb egd ege egg egi egl ego egr egt eia eib eid eie eig eii eil eio eir eit ela elb eld ele elg eli ell elo elr elt eo- eoa eob eod eoe eog eoi eol eoo eor eot era erb erd ere erg eri erl ero err ert eta etb etd ete etg eti etl eto etr ett g-d gaa gab gad gae gag gai gal gao gar gat gba gbd gbe gbg gbi gbl gbo gbr gbt gda gdb gdd gde gdi gdl gdo gdr gdt ge- gea geb ged gee geg gei gel geo ger get gga ggb ggd ggg ggi ggo ggr ggt gia gib gid gie gig gii gil gio gir git gla glb gld gle glg gli gll glo glr glt goa gob god goe gog goi gol goo gor got gra grb grd gre grg gri grl gro grr grt gta gtb gtd gte gtg gti gtl gto gtr gtt i-d ia- iaa iab iad iae iag iai ial iao iar iat iba ibb ibd ibe ibg ibi ibl ibo ibr ibt ida idb idd ide idg idi idl ido idr idt ie- iea ied iee ieg iei iel ier iet iga igb igd ige igg igi igl igo igr igt iia iib iid iie iii iil iio iir iit il- ila ilb ild ile ilg ili ill ilo ilr ilt io- ioa iob iod ioe iog ioi iol ioo ior iot ir- ira irb ird ire irg iri irl iro irr irt ita itb itd ite itg iti itl ito itt la- laa lab lad lae lag lai lal lao lar lat lba lbb lbd lbe lbg lbi lbl lbo lbr lbt lda ldb ldd lde ldg ldi ldl ldo ldr ldt lea leb led lee leg lei lel leo ler let lga lgb lgd lge lgg lgi lgl lgo lgr lgt lia lib lid lie lig lii lil lio lir lit lla llb lld lle llg lli lll llo llr llt loa lob lod loe log loi lol loo lor lot lra lrb lrd lrg lri lro lrr lrt lta ltb ltd lte ltg lti ltl lto ltr ltt o-i oaa oab oad oae oag oai oal oao oar oat ob- oba obb obd obe obg obi obl obo obr obt oda odb odd ode odg odi odl odo odr odt oea oeb oed oee oeg oei oel oeo oer oet oga ogd oge ogg ogi ogl ogo ogt oia oib oid oie oii oil oio oir oit ola olb old ole olg oli oll olo olt oo- ooa oob ood oog ooi ool ooo oor oot or- ora orb ord ore org ori orl oro orr ort ot- ota otb otd ote otg oti otl oto otr ott ra- raa rab rad rae rag rai ral rao rar rat rba rbb rbd rbe rbg rbi rbl rbo rbr rbt rda rdb rdd rde rdg rdi rdl rdo rdr rdt re- rea reb red ree reg rei rel reo rer ret rga rgb rgd rge rgg rgi rgo rgr rgt ria rib rid rie rig rii ril rio rir rit rla rld rle rlg rli rll rlo rlr rlt roa rob rod roe rog roi rol roo ror rot rra rrb rrd rrg rri rrl rrr rrt rta rtb rtd rte rtg rti rtl rto rtr rtt taa tab tad tae tag tai tal tao tar tat tba tbb tbd tbe tbg tbi tbl tbo tbr tbt tda tdb tdd tde tdg tdi tdl tdo tdr tdt te- tea teb ted tee teg tei tel teo ter tet tga tgb tge tgg tgi tgl tgo tgr tgt tia tib tid tie tig tii til tio tir tit tla tld tle tlg tli tll tlo tlr tlt to- toa tob tod toe tog toi tol too tor tot tra trb trd tre trg