-al a-a a-b a-i aaa aab aai aak aal aan aas ab- aba abb abi abk abl abn abs ai- aia aib aii aik ail ain ais aka akb aki akk akl akn aks al- ala alb ali alk all aln als an- ana anb ani ank anl ann ans as- asa asb asi ask asl asn ass baa bab bai bak bal ban bas bba bbb bbi bbk bbl bbn bbs bi- bia bib bii bik bil bin bis bka bkb bkk bkl bkn bks bla blb bli blk bll bln bls bna bnb bni bnk bnl bnn bns bsa bsb bsi bsk bsl bsn bss ia- iaa iab iai ial ian ias iba ibb ibi ibk ibl ibn ibs iia iib iii iil iin iis ika ikb iki ikk ikl iks il- ila ilb ili ilk ill iln ils in- ina inb ini ink inl inn ins is- isa isb isi isk isl isn iss ka- kaa kab kai kak kal kan kas kba kbb kbi kbk kbl kbn kbs kia kib kii kik kil kin kis kkb kki kkk kkl kkn kks kl- kla klb kli kls kn- kna kni knk knl knn ksa ksb ksi ksk ksl ksn kss la- laa lab lai lak lal lan las lba lbb lbi lbk lbl lbs lia lib lii lik lil lin lis lka lkb lkl lks lla llb lli llk lll lln lls lna lnb lni lnk lnl lnn lns lsa lsb lsi lsk lsl lsn lss n-i naa nab nai nak nal nan nas nba nbb nbi nbk nbl nbn nbs nia nib nii nik nil nin nis nka nki nkk nkn nks nla nlb nli nlk nll nln nls nna nnb nni nnk nnl nnn nns nsa nsb nsi nsk nsl nsn nss saa sab sai sak sal san sas sba sbb sbi sbk sbl sbn sbs sia sib sii sik sil sin sis sk- ska skb ski skk skl sks sla slb sli slk sll sln sls sna snb sni snk snl snn sns ss- ssa ssb ssi ssk ssl ssn sss