-al a-a a-b aaa aab aae aal aan aas aau ab- aba abb abe abl abn abs abu aea aeb aee ael aen aes aeu al- ala alb ale all aln als alu an- ana anb ane anl ann ans anu as- asa asb ase asl asn ass asu au- aua aub aue aul aun aus b-u baa bab bae bal ban bas bau bba bbb bbe bbl bbn bbs bbu be- bea beb bee bel ben bes beu bla blb ble bll bln bls blu bna bnb bne bnl bnn bns bnu bsa bsb bse bsl bsn bss bsu bua bub bue bul bun bus buu eaa eab eae eal ean eas eau eba ebb ebe ebl ebn ebs ebu eea eeb eee eel een ees ela elb ele ell eln els elu en- ena enb ene enl enn ens enu es- esa esb ese esl esn ess esu eu- eua eub eue eul eun eus la- laa lab lae lal lan las lau lba lbb lbe lbl lbs lbu lea leb lee lel len les leu lla llb lle lll lln lls llu lna lnb lne lnl lnn lns lnu lsa lsb lse lsl lsn lss lsu lua lub lue lul lun lus luu naa nab nae nal nan nas nau nba nbb nbe nbl nbn nbs nbu ne- nea neb nee nel nen nes neu nla nlb nle nll nln nls nlu nna nnb nne nnl nnn nns nnu nsa nsb nse nsl nsn nss nsu nua nub nue nul nun nus nuu saa sab sae sal san sas sau sba sbb sbe sbl sbn sbs sbu se- sea seb see sel sen ses seu sla slb sle sll sln sls slu sna snb sne snl snn sns snu ss- ssa ssb sse ssl ssn sss ssu sua sub sue sul sun sus suu ua- uaa uab uae ual uan uas uau uba ubb ube ubl ubn ubs ubu uea ueb uee uel uen ues ula ulb ule ull uln uls ulu un- una unb une unl unn uns unu usa usb use usl usn uss usu uua uue uun uus uuu