-al a-a a-b a-i a-t aaa aab aad aai aal aan aas aat ab- aba abb abd abi abl abn abs abt ad- ada adb add adi adl adn ads adt ai- aia aib aid aii ail ain ais ait al- ala alb ald ali all aln als alt an- ana anb and ani anl ann ans ant as- asa asb asd asi asl asn ass ast at- ata atb atd ati atl atn ats att baa bab bad bai bal ban bas bat bba bbb bbd bbi bbl bbn bbs bbt bda bdb bdd bdi bdl bds bdt bi- bia bib bid bii bil bin bis bit bla blb bld bli bll bln bls blt bna bnb bnd bni bnl bnn bns bnt bsa bsb bsd bsi bsl bsn bss bst bta btb btd bti btl btn bts btt daa dab dad dai dal dan das dat dba dbb dbd dbi dbl dbn dbs dbt dda ddb ddd ddi ddl ddn dds ddt di- dia dib did dii dil din dis dit dl- dla dlb dld dli dll dls dlt dna dnb dnd dni dnl dnn dns dnt dsa dsb dsd dsi dsl dsn dss dst dta dtb dtd dti dtl dtn dts dtt i-d ia- iaa iab iad iai ial ian ias iat iba ibb ibd ibi ibl ibn ibs ibt ida idb idd idi idl idn ids idt iia iib iid iii iil iin iis iit il- ila ilb ild ili ill iln ils ilt in- ina inb ind ini inl inn ins int is- isa isb isd isi isl isn iss ist ita itb itd iti itl itn its itt la- laa lab lad lai lal lan las lat lba lbb lbd lbi lbl lbs lbt lda ldb ldd ldi ldl ldn lds ldt lia lib lid lii lil lin lis lit lla llb lld lli lll lln lls llt lna lnb lnd lni lnl lnn lns lnt lsa lsb lsd lsi lsl lsn lss lst lta ltb ltd lti ltl lts ltt n-i naa nab nad nai nal nan nas nat nba nbb nbd nbi nbl nbn nbs nbt nda ndb ndd ndi ndl ndn nds ndt nia nib nid nii nil nin nis nit nla nlb nld nli nll nln nls nlt nna nnb nni nnl nnn nns nnt nsa nsb nsd nsi nsl nsn nss nst nta ntb ntd nti ntn nts ntt saa sab sad sai sal san sas sat sba sbb sbd sbi sbl sbn sbs sbt sda sdb sdd sdi sdl sdn sds sdt sia sib sid sii sil sin sis sit sla slb sld sli sll sln sls slt sna snb snd sni snl snn sns snt ss- ssa ssb ssd ssi ssl ssn sss sst sta stb std sti stl stn sts stt taa tab tad tai tal tan tas tat tba tbb tbd tbi tbl tbn tbs tbt tda tdb tdd tdi tdl tdn tds tdt tia tib tid tii til tin tis tit tla tld tli tll tln tls tlt tna tnb tnd tni tnl tnn tns tnt tsa tsb tsd tsi tsl tsn tss tst tta ttb ttd tti ttl ttn tts ttt