-al a-a a-b a-i aaa aab aad aai aak aal aan aar aas ab- aba abb abd abi abk abl abn abr abs ad- ada adb add adi adk adl adn adr ads ai- aia aib aid aii aik ail ain air ais aka akb akd aki akk akl akn akr aks al- ala alb ald ali alk all aln alr als an- ana anb and ani ank anl ann anr ans ar- ara arb ard ari ark arl arn arr ars as- asa asb asd asi ask asl asn asr ass baa bab bad bai bak bal ban bar bas bba bbb bbd bbi bbk bbl bbn bbr bbs bda bdb bdd bdi bdk bdl bdr bds bi- bia bib bid bii bik bil bin bir bis bka bkb bkk bkl bkn bkr bks bla blb bld bli blk bll bln blr bls bna bnb bnd bni bnk bnl bnn bnr bns bra brb brd bri brk brl brn brr brs bsa bsb bsd bsi bsk bsl bsn bsr bss daa dab dad dai dak dal dan dar das dba dbb dbd dbi dbk dbl dbn dbr dbs dda ddb ddd ddi ddk ddl ddn ddr dds di- dia dib did dii dik dil din dir dis dka dkb dki dkk dkl dkr dks dl- dla dlb dld dli dlk dll dlr dls dna dnb dnd dni dnk dnl dnn dnr dns dra drb drd dri drk drl drn drr drs dsa dsb dsd dsi dsk dsl dsn dsr dss i-d ia- iaa iab iad iai ial ian iar ias iba ibb ibd ibi ibk ibl ibn ibr ibs ida idb idd idi idk idl idn idr ids iia iib iid iii iil iin iir iis ika ikb iki ikk ikl ikr iks il- ila ilb ild ili ilk ill iln ilr ils in- ina inb ind ini ink inl inn inr ins ir- ira irb ird iri irk irl irn irr irs is- isa isb isd isi isk isl isn isr iss ka- kaa kab kad kai kak kal kan kar kas kba kbb kbd kbi kbk kbl kbn kbr kbs kda kdb kdk kdl kdr kds kia kib kid kii kik kil kin kir kis kkb kki kkk kkl kkn kkr kks kl- kla klb kld kli klr kls kn- kna knd kni knk knl knn knr kra krd kri krk krl krn krr krs ksa ksb ksd ksi ksk ksl ksn ksr kss la- laa lab lad lai lak lal lan lar las lba lbb lbd lbi lbk lbl lbr lbs lda ldb ldd ldi ldk ldl ldn ldr lds lia lib lid lii lik lil lin lir lis lka lkb lkl lkr lks lla llb lld lli llk lll lln llr lls lna lnb lnd lni lnk lnl lnn lnr lns lra lrb lrd lri lrk lrn lrr lrs lsa lsb lsd lsi lsk lsl lsn lsr lss n-i naa nab nad nai nak nal nan nar nas nba nbb nbd nbi nbk nbl nbn nbr nbs nda ndb ndd ndi ndk ndl ndn ndr nds nia nib nid nii nik nil nin nir nis nka nki nkk nkn nkr nks nla nlb nld nli nlk nll nln nlr nls nna nnb nni nnk nnl nnn nns nra nrb nrd nri nrk nrl nrn nrr nrs nsa nsb nsd nsi nsk nsl nsn nsr nss ra- raa rab rad rai rak ral ran rar ras rba rbb rbd rbi rbk rbl rbn rbr rbs rda rdb rdd rdi rdl rdn rdr rds ria rib rid rii rik ril rin rir ris rkb rkk rks rla rld rli rll rln rlr rls rna rnb rnd rni rnn rnr rns rra rrb rrd rri rrk rrl rrn rrr rrs rsa rsb rsd rsi rsk rsl rsn rsr rss saa sab sad sai sak sal san sar sas sba sbb sbd sbi sbk sbl sbn sbr sbs sda sdb sdd sdi sdk sdl sdn sdr sds sia sib sid sii sik sil sin sir sis sk- ska skb skd ski skk skl skr sks sla slb sld sli slk sll sln slr sls sna snb snd sni snk snl snn snr sns sr- sra srb srd sri srk srl srn srr srs ss- ssa ssb ssd ssi ssk ssl ssn ssr sss