-al -ol a-a a-b a-i a-t aaa aab aae aag aai aak aal aao aat ab- aba abb abe abg abi abk abl abo abt aea aeb aee aeg aei aek ael aeo aet ag- aga agb age agg agi agk agl ago agt ai- aia aib aie aig aii aik ail aio ait aka akb ake akg aki akk akl ako al- ala alb ale alg ali alk all alo alt aoa aob aoe aog aoi aok aol aoo aot at- ata atb ate atg ati atl ato att baa bab bae bag bai bak bal bao bat bba bbb bbe bbg bbi bbk bbl bbo bbt be- bea beb bee beg bei bek bel beo bet bga bgb bge bgg bgi bgk bgl bgo bgt bi- bia bib bie big bii bik bil bio bit bka bkb bke bkg bkk bkl bko bkt bla blb ble blg bli blk bll blo blt boa bob boe bog boi bok bol boo bot bta btb bte btg bti btk btl bto btt eaa eab eae eag eai eak eal eao eat eba ebb ebe ebg ebi ebk ebl ebo ebt eea eeb eee eeg eek eel eeo eet ega egb ege egg egi egl ego egt eia eib eie eig eii eik eil eio eit eka ekb eke ekg eki ekl eko ekt ela elb ele elg eli elk ell elo elt eo- eoa eob eoe eog eoi eok eol eoo eot eta etb ete etg eti etk etl eto ett gaa gab gae gag gai gak gal gao gat gba gbe gbg gbi gbk gbl gbo gbt ge- gea geb gee geg gei gek gel geo get gga ggb ggg ggi ggo ggt gia gib gie gig gii gik gil gio git gka gkb gko gkt gla glb gle glg gli glk gll glo glt goa gob goe gog goi gok gol goo got gta gtb gte gtg gti gtk gtl gto gtt ia- iaa iab iae iag iai ial iao iat iba ibb ibe ibg ibi ibk ibl ibo ibt ie- iea iee ieg iei iek iel iet iga igb ige igg igi igk igl igo igt iia iib iie iii iil iio iit ika ikb ike iki ikk ikl iko ikt il- ila ilb ile ilg ili ilk ill ilo ilt io- ioa iob ioe iog ioi iol ioo iot ita itb ite itg iti itk itl ito itt k-t ka- kaa kab kae kag kai kak kal kao kat kba kbb kbe kbi kbk kbl kbo ke- kea keb kee keg kei kek kel keo ket kga kgb kgi kgl kgo kia kib kie kig kii kik kil kio kit kkb kke kki kkk kkl kkt kl- kla klb klg kli klo klt koa kob koe kog koi kok kol koo kot kta ktb kte ktg ktk ktl kto ktt la- laa lab lae lag lai lak lal lao lat lba lbb lbe lbg lbi lbk lbl lbo lbt lea leb lee leg lei lek lel leo let lga lgb lge lgg lgi lgk lgl lgo lgt lia lib lie lig lii lik lil lio lit lka lkb lkg lkl lkt lla llb lle llg lli llk lll llo llt loa lob loe log loi lok lol loo lot lta ltb lte ltg lti ltk ltl lto ltt o-i oaa oab oae oag oai oak oal oao oat ob- oba obb obe obg obi obk obl obo obt oea oeb oee oeg oei oel oeo oet oga oge ogg ogi ogl ogo ogt oia oib oie oii oik oil oio oit oka okb oke okg oki okk okl oko ola olb ole olg oli olk oll olo olt oo- ooa oob oog ooi ook ool ooo oot ot- ota otb ote otg oti otk otl oto ott taa tab tae tag tai tak tal tao tat tba tbb tbe tbg tbi tbk tbl tbo tbt te- tea teb tee teg tei tek tel teo tet tga tgb tge tgg tgi tgk tgl tgo tgt tia tib tie tig tii tik til tio tit tka tkb tke tkg tkk tkl tko tkt tla tle tlg tli tlk tll tlo tlt to- toa tob toe tog toi tok tol too tot tta ttb tte ttg tti ttk ttl tto ttt