-al a-a a-b a-i aaa aab aad aai aal aan aar ab- aba abb abd abi abl abn abr ad- ada adb add adi adl adn adr ai- aia aib aid aii ail ain air al- ala alb ald ali all aln alr an- ana anb and ani anl ann anr ar- ara arb ard ari arl arn arr baa bab bad bai bal ban bar bba bbb bbd bbi bbl bbn bbr bda bdb bdd bdi bdl bdr bi- bia bib bid bii bil bin bir bla blb bld bli bll bln blr bna bnb bnd bni bnl bnn bnr bra brb brd bri brl brn brr daa dab dad dai dal dan dar dba dbb dbd dbi dbl dbn dbr dda ddb ddd ddi ddl ddn ddr di- dia dib did dii dil din dir dl- dla dlb dld dli dll dlr dna dnb dnd dni dnl dnn dnr dra drb drd dri drl drn drr i-d ia- iaa iab iad iai ial ian iar iba ibb ibd ibi ibl ibn ibr ida idb idd idi idl idn idr iia iib iid iii iil iin iir il- ila ilb ild ili ill iln ilr in- ina inb ind ini inl inn inr ir- ira irb ird iri irl irn irr la- laa lab lad lai lal lan lar lba lbb lbd lbi lbl lbr lda ldb ldd ldi ldl ldn ldr lia lib lid lii lil lin lir lla llb lld lli lll lln llr lna lnb lnd lni lnl lnn lnr lra lrb lrd lri lrn lrr n-i naa nab nad nai nal nan nar nba nbb nbd nbi nbl nbn nbr nda ndb ndd ndi ndl ndn ndr nia nib nid nii nil nin nir nla nlb nld nli nll nln nlr nna nnb nni nnl nnn nra nrb nrd nri nrl nrn nrr ra- raa rab rad rai ral ran rar rba rbb rbd rbi rbl rbn rbr rda rdb rdd rdi rdl rdn rdr ria rib rid rii ril rin rir rla rld rli rll rln rlr rna rnb rnd rni rnn rnr rra rrb rrd rri rrl rrn rrr