-al a-a a-b a-i aaa aab aad aae aag aai aal aas ab- aba abb abd abe abg abi abl abs ad- ada adb add ade adg adi adl ads aea aeb aed aee aeg aei ael aes ag- aga agb agd age agg agi agl ags ai- aia aib aid aie aig aii ail ais al- ala alb ald ale alg ali all als as- asa asb asd ase asg asi asl ass baa bab bad bae bag bai bal bas bba bbb bbd bbe bbg bbi bbl bbs bda bdb bdd bde bdg bdi bdl bds be- bea beb bed bee beg bei bel bes bga bgb bgd bge bgg bgi bgl bgs bi- bia bib bid bie big bii bil bis bla blb bld ble blg bli bll bls bsa bsb bsd bse bsg bsi bsl bss daa dab dad dae dag dai dal das dba dbb dbd dbe dbg dbi dbl dbs dda ddb ddd dde ddg ddi ddl dds de- dea deb ded dee deg dei del des dga dgd dge dgg dgi dgl dgs di- dia dib did die dig dii dil dis dl- dla dlb dld dle dlg dli dll dls dsa dsb dsd dse dsg dsi dsl dss eaa eab ead eae eag eai eal eas eba ebb ebd ebe ebg ebi ebl ebs ed- eda edb edd ede edg edi edl eds eea eeb eed eee eeg eel ees ega egb egd ege egg egi egl egs eia eib eid eie eig eii eil eis ela elb eld ele elg eli ell els es- esa esb esd ese esg esi esl ess g-d gaa gab gad gae gag gai gal gas gba gbd gbe gbg gbi gbl gbs gda gdb gdd gde gdi gdl gds ge- gea geb ged gee geg gei gel ges gga ggb ggd ggg ggi ggs gia gib gid gie gig gii gil gis gla glb gld gle glg gli gll gls gsa gsb gsd gse gsg gsi gsl gss i-d ia- iaa iab iad iae iag iai ial ias iba ibb ibd ibe ibg ibi ibl ibs ida idb idd ide idg idi idl ids ie- iea ied iee ieg iei iel ies iga igb igd ige igg igi igl igs iia iib iid iie iii iil iis il- ila ilb ild ile ilg ili ill ils is- isa isb isd ise isg isi isl iss la- laa lab lad lae lag lai lal las lba lbb lbd lbe lbg lbi lbl lbs lda ldb ldd lde ldg ldi ldl lds lea leb led lee leg lei lel les lga lgb lgd lge lgg lgi lgl lgs lia lib lid lie lig lii lil lis lla llb lld lle llg lli lll lls lsa lsb lsd lse lsg lsi lsl lss saa sab sad sae sag sai sal sas sba sbb sbd sbe sbg sbi sbl sbs sda sdb sdd sde sdg sdi sdl sds se- sea seb sed see seg sei sel ses sga sgb sgd sge sgg sgi sgl sgs sia sib sid sie sig sii sil sis sla slb sld sle slg sli sll sls ss- ssa ssb ssd sse ssg ssi ssl sss