-al a-a a-b a-i aaa aab aag aai aak aal aan aas ab- aba abb abg abi abk abl abn abs ag- aga agb agg agi agk agl agn ags ai- aia aib aig aii aik ail ain ais aka akb akg aki akk akl akn aks al- ala alb alg ali alk all aln als an- ana anb ang ani ank anl ann ans as- asa asb asg asi ask asl asn ass baa bab bag bai bak bal ban bas bba bbb bbg bbi bbk bbl bbn bbs bga bgb bgg bgi bgk bgl bgn bgs bi- bia bib big bii bik bil bin bis bka bkb bkg bkk bkl bkn bks bla blb blg bli blk bll bln bls bna bnb bng bni bnk bnl bnn bns bsa bsb bsg bsi bsk bsl bsn bss gaa gab gag gai gak gal gan gas gba gbg gbi gbk gbl gbn gbs gga ggb ggg ggi ggn ggs gia gib gig gii gik gil gin gis gka gkb gkn gks gla glb glg gli glk gll gln gls gna gnb gni gnl gnn gns gsa gsb gsg gsi gsk gsl gsn gss ia- iaa iab iag iai ial ian ias iba ibb ibg ibi ibk ibl ibn ibs iga igb igg igi igk igl ign igs iia iib iii iil iin iis ika ikb iki ikk ikl iks il- ila ilb ilg ili ilk ill iln ils in- ina inb ing ini ink inl inn ins is- isa isb isg isi isk isl isn iss ka- kaa kab kag kai kak kal kan kas kba kbb kbi kbk kbl kbn kbs kga kgb kgi kgl kgs kia kib kig kii kik kil kin kis kkb kki kkk kkl kkn kks kl- kla klb klg kli kls kn- kna kng kni knk knl knn ksa ksb ksg ksi ksk ksl ksn kss la- laa lab lag lai lak lal lan las lba lbb lbg lbi lbk lbl lbs lga lgb lgg lgi lgk lgl lgn lgs lia lib lig lii lik lil lin lis lka lkb lkg lkl lks lla llb llg lli llk lll lln lls lna lnb lng lni lnk lnl lnn lns lsa lsb lsg lsi lsk lsl lsn lss n-i naa nab nag nai nak nal nan nas nba nbb nbg nbi nbk nbl nbn nbs nga ngb ngg ngi ngk ngl ngn ngs nia nib nig nii nik nil nin nis nka nki nkk nkn nks nla nlb nlg nli nlk nll nln nls nna nnb nng nni nnk nnl nnn nns nsa nsb nsg nsi nsk nsl nsn nss saa sab sag sai sak sal san sas sba sbb sbg sbi sbk sbl sbn sbs sga sgb sgg sgi sgk sgl sgn sgs sia sib sig sii sik sil sin sis sk- ska skb skg ski skk skl sks sla slb slg sli slk sll sln sls sna snb sng sni snk snl snn sns ss- ssa ssb ssg ssi ssk ssl ssn sss