-al -er a-a a-b aaa aab aad aae aal aan aar aau ab- aba abb abd abe abl abn abr abu ad- ada adb add ade adl adn adr adu aea aeb aed aee ael aen aer aeu al- ala alb ald ale all aln alr alu an- ana anb and ane anl ann anr anu ar- ara arb ard are arl arn arr aru au- aua aub aud aue aul aun aur b-u baa bab bad bae bal ban bar bau bba bbb bbd bbe bbl bbn bbr bbu bda bdb bdd bde bdl bdr bdu be- bea beb bed bee bel ben ber beu bla blb bld ble bll bln blr blu bna bnb bnd bne bnl bnn bnr bnu bra brb brd bre brl brn brr bru bua bub bud bue bul bun bur buu daa dab dad dae dal dan dar dau dba dbb dbd dbe dbl dbn dbr dbu dda ddb ddd dde ddl ddn ddr ddu de- dea deb ded dee del den der deu dl- dla dlb dld dle dll dlr dlu dna dnb dnd dne dnl dnn dnr dra drb drd dre drl drn drr dru dua dub dud due dul dun dur eaa eab ead eae eal ean ear eau eba ebb ebd ebe ebl ebn ebr ebu ed- eda edb edd ede edl edn edr edu eea eeb eed eee eel een eer ela elb eld ele ell eln elr elu en- ena enb end ene enl enn enr enu era erb erd ere erl ern err eru eu- eua eub eud eue eul eun eur la- laa lab lad lae lal lan lar lau lba lbb lbd lbe lbl lbr lbu lda ldb ldd lde ldl ldn ldr ldu lea leb led lee lel len ler leu lla llb lld lle lll lln llr llu lna lnb lnd lne lnl lnn lnr lnu lra lrb lrd lrn lrr lru lua lub lud lue lul lun lur luu naa nab nad nae nal nan nar nau nba nbb nbd nbe nbl nbn nbr nbu nda ndb ndd nde ndl ndn ndr ndu ne- nea neb ned nee nel nen ner neu nla nlb nld nle nll nln nlr nlu nna nnb nne nnl nnn nnu nra nrb nrd nre nrl nrn nrr nru nua nub nud nue nul nun nur nuu ra- raa rab rad rae ral ran rar rau rba rbb rbd rbe rbl rbn rbr rbu rda rdb rdd rde rdl rdn rdr rdu re- rea reb red ree rel ren rer reu rla rld rle rll rln rlr rlu rna rnb rnd rnn rnr rnu rra rrb rrd rrl rrn rrr rru rua rub rud rue run rur ruu ua- uaa uab uad uae ual uan uar uau uba ubb ube ubl ubn ubr ubu uda udb udd ude udl udn udr udu uea ueb ued uee uel uen uer ula ulb uld ule ull uln ulr ulu un- una unb und une unl unn unr unu ur- ura urb urd ure url urn urr uru uua uue uun uur uuu