-al a-a a-b a-i aaa aab aai aak aal aan aar ab- aba abb abi abk abl abn abr ai- aia aib aii aik ail ain air aka akb aki akk akl akn akr al- ala alb ali alk all aln alr an- ana anb ani ank anl ann anr ar- ara arb ari ark arl arn arr baa bab bai bak bal ban bar bba bbb bbi bbk bbl bbn bbr bi- bia bib bii bik bil bin bir bka bkb bkk bkl bkn bkr bla blb bli blk bll bln blr bna bnb bni bnk bnl bnn bnr bra brb bri brk brl brn brr ia- iaa iab iai ial ian iar iba ibb ibi ibk ibl ibn ibr iia iib iii iil iin iir ika ikb iki ikk ikl ikr il- ila ilb ili ilk ill iln ilr in- ina inb ini ink inl inn inr ir- ira irb iri irk irl irn irr ka- kaa kab kai kak kal kan kar kba kbb kbi kbk kbl kbn kbr kia kib kii kik kil kin kir kkb kki kkk kkl kkn kkr kl- kla klb kli klr kn- kna kni knk knl knn knr kra kri krk krl krn krr la- laa lab lai lak lal lan lar lba lbb lbi lbk lbl lbr lia lib lii lik lil lin lir lka lkb lkl lkr lla llb lli llk lll lln llr lna lnb lni lnk lnl lnn lnr lra lrb lri lrk lrn lrr n-i naa nab nai nak nal nan nar nba nbb nbi nbk nbl nbn nbr nia nib nii nik nil nin nir nka nki nkk nkn nkr nla nlb nli nlk nll nln nlr nna nnb nni nnk nnl nnn nra nrb nri nrk nrl nrn nrr ra- raa rab rai rak ral ran rar rba rbb rbi rbk rbl rbn rbr ria rib rii rik ril rin rir rkb rkk rla rli rll rln rlr rna rnb rni rnn rnr rra rrb rri rrk rrl rrn rrr