-al -ol a-a a-b a-t aaa aab aae aaf aag aal aam aao aat ab- aba abb abe abf abg abl abm abo abt aea aeb aee aef aeg ael aem aeo aet af- afa afb afe aff afg afl afm afo aft ag- aga agb age agf agg agl agm ago agt al- ala alb ale alf alg all alm alo alt ama amb ame amf amg aml amm amo amt aoa aob aoe aof aog aol aom aoo aot at- ata atb ate atf atg atl atm ato att baa bab bae baf bag bal bam bao bat bba bbb bbe bbf bbg bbl bbm bbo bbt be- bea beb bee bef beg bel bem beo bet bfa bfb bfe bff bfg bfl bfm bfo bft bga bgb bge bgf bgg bgl bgm bgo bgt bla blb ble blf blg bll blm blo blt bma bmb bme bmf bmg bml bmm bmo bmt boa bob boe bof bog bol bom boo bot bta btb bte btf btg btl btm bto btt eaa eab eae eaf eag eal eam eao eat eba ebb ebe ebf ebg ebl ebm ebo ebt eea eeb eee eef eeg eel eem eeo eet ef- efa efb efe eff efg efl efm efo eft ega egb ege egf egg egl egm ego egt ela elb ele elf elg ell elm elo elt em- ema emb eme emf emg eml emm emo emt eo- eoa eob eoe eof eog eol eom eoo eot eta etb ete etf etg etl etm eto ett faa fab fae faf fag fal fam fao fat fba fbb fbe fbf fbg fbl fbm fbo fbt fea feb fee fef feg fel fem feo fet ffa ffe fff ffg ffl ffm ffo fft fga fgb fge fgf fgg fgl fgm fgt fla flb fle flf flg fll flm flo flt fma fmb fme fmf fmg fml fmm fmo fmt foa fob foe fof fog fol fom foo fot fta ftb fte ftf ftg ftl ftm fto ftt gaa gab gae gaf gag gal gam gao gat gba gbe gbf gbg gbl gbm gbo gbt ge- gea geb gee gef geg gel gem geo get gfa gfb gfe gff gfl gfm gfo gft gga ggb ggg ggm ggo ggt gla glb gle glf glg gll glm glo glt gma gmb gme gmf gmg gml gmm gmo gmt goa gob goe gof gog gol gom goo got gta gtb gte gtf gtg gtl gtm gto gtt la- laa lab lae laf lag lal lam lao lat lba lbb lbe lbf lbg lbl lbm lbo lbt lea leb lee lef leg lel lem leo let lfa lfb lfe lff lfg lfl lfm lfo lft lga lgb lge lgf lgg lgl lgm lgo lgt lla llb lle llf llg lll llm llo llt lma lmb lme lmf lmg lml lmm lmo lmt loa lob loe lof log lol lom loo lot lta ltb lte ltf ltg ltl ltm lto ltt m-f m-o maa mab mae maf mag mal mam mao mat mba mbb mbe mbf mbg mbl mbm mbo mbt mea meb mee mef meg mel mem meo met mfa mfb mfe mff mfg mfl mfm mfo mft mga mgb mge mgf mgl mgm mgo mgt mla mlb mle mlf mlg mll mlm mlo mlt mma mmb mme mmf mmg mml mmm mmo mmt moa mob moe mof mog mol mom moo mot mta mtb mte mtf mtg mtl mtm mto mtt oaa oab oae oaf oag oal oam oao oat ob- oba obb obe obf obg obl obm obo obt oea oeb oee oef oeg oel oem oeo oet of- ofa ofb ofe off ofg ofl ofm ofo oft oga oge ogf ogg ogl ogo ogt ola olb ole olf olg oll olm olo olt om- oma omb ome omf omg oml omm omo omt oo- ooa oob oof oog ool oom ooo oot ot- ota otb ote otf otg otl otm oto ott taa tab tae taf tag tal tam tao tat tba tbb tbe tbf tbg tbl tbm tbo tbt te- tea teb tee tef teg tel tem teo tet tfa tfb tfe tff tfg tfl tfm tfo tft tga tgb tge tgf tgg tgl tgm tgo tgt tla tle tlf tlg tll tlm tlo tlt tma tmb tme tmf tmg tml tmm tmo tmt to- toa tob toe tof tog tol tom too tot tta ttb tte ttf ttg ttl ttm tto ttt