-al a-a a-b aaa aab aae aag aak aal aam aas ab- aba abb abe abg abk abl abm abs aea aeb aee aeg aek ael aem aes ag- aga agb age agg agk agl agm ags aka akb ake akg akk akl akm aks al- ala alb ale alg alk all alm als ama amb ame amg amk aml amm ams as- asa asb ase asg ask asl asm ass baa bab bae bag bak bal bam bas bba bbb bbe bbg bbk bbl bbm bbs be- bea beb bee beg bek bel bem bes bga bgb bge bgg bgk bgl bgm bgs bka bkb bke bkg bkk bkl bkm bks bla blb ble blg blk bll blm bls bma bmb bme bmg bmk bml bmm bms bsa bsb bse bsg bsk bsl bsm bss eaa eab eae eag eak eal eam eas eba ebb ebe ebg ebk ebl ebm ebs eea eeb eee eeg eek eel eem ees ega egb ege egg egl egm egs eka ekb eke ekg ekl eks ela elb ele elg elk ell elm els em- ema emb eme emg emk eml emm ems es- esa esb ese esg esk esl esm ess gaa gab gae gag gak gal gam gas gba gbe gbg gbk gbl gbm gbs ge- gea geb gee geg gek gel gem ges gga ggb ggg ggm ggs gka gkb gkm gks gla glb gle glg glk gll glm gls gma gmb gme gmg gml gmm gms gsa gsb gse gsg gsk gsl gsm gss ka- kaa kab kae kag kak kal kam kas kba kbb kbe kbk kbl kbm kbs ke- kea keb kee keg kek kel kem kes kga kgb kgl kgm kgs kkb kke kkk kkl kkm kks kl- kla klb klg klm kls kma kmb kme kmg kmk kml kmm kms ksa ksb kse ksg ksk ksl ksm kss la- laa lab lae lag lak lal lam las lba lbb lbe lbg lbk lbl lbm lbs lea leb lee leg lek lel lem les lga lgb lge lgg lgk lgl lgm lgs lka lkb lkg lkl lks lla llb lle llg llk lll llm lls lma lmb lme lmg lmk lml lmm lms lsa lsb lse lsg lsk lsl lsm lss maa mab mae mag mak mal mam mas mba mbb mbe mbg mbk mbl mbm mbs mea meb mee meg mek mel mem mes mga mgb mge mgk mgl mgm mgs mka mkb mke mkg mkk mkl mkm mks mla mlb mle mlg mlk mll mlm mls mma mmb mme mmg mmk mml mmm mms msa msb mse msg msk msl msm mss saa sab sae sag sak sal sam sas sba sbb sbe sbg sbk sbl sbm sbs se- sea seb see seg sek sel sem ses sga sgb sge sgg sgk sgl sgm sgs sk- ska skb ske skg skk skl skm sks sla slb sle slg slk sll slm sls sma smb sme smg smk sml smm sms ss- ssa ssb sse ssg ssk ssl ssm sss