-al a-a a-b aaa aab aad aae aak aal aan aau ab- aba abb abd abe abk abl abn abu ad- ada adb add ade adk adl adn adu aea aeb aed aee aek ael aen aeu aka akb akd ake akk akl akn aku al- ala alb ald ale alk all aln alu an- ana anb and ane ank anl ann anu au- aua aub aud aue auk aul aun b-u baa bab bad bae bak bal ban bau bba bbb bbd bbe bbk bbl bbn bbu bda bdb bdd bde bdk bdl bdu be- bea beb bed bee bek bel ben beu bka bkb bke bkk bkl bkn bla blb bld ble blk bll bln blu bna bnb bnd bne bnk bnl bnn bnu bua bub bud bue buk bul bun buu daa dab dad dae dak dal dan dau dba dbb dbd dbe dbk dbl dbn dbu dda ddb ddd dde ddk ddl ddn ddu de- dea deb ded dee dek del den deu dka dkb dke dkk dkl dku dl- dla dlb dld dle dlk dll dlu dna dnb dnd dne dnk dnl dnn dua dub dud due duk dul dun eaa eab ead eae eak eal ean eau eba ebb ebd ebe ebk ebl ebn ebu ed- eda edb edd ede edk edl edn edu eea eeb eed eee eek eel een eka ekb ekd eke ekl eku ela elb eld ele elk ell eln elu en- ena enb end ene enk enl enn enu eu- eua eub eud eue eul eun ka- kaa kab kad kae kak kal kan kau kba kbb kbd kbe kbk kbl kbn kbu kda kdb kde kdk kdl kdu ke- kea keb ked kee kek kel ken kkb kke kkk kkl kkn kku kl- kla klb kld klu kn- kna knd kne knk knl knn knu kub kud kue kuk kul kun kuu la- laa lab lad lae lak lal lan lau lba lbb lbd lbe lbk lbl lbu lda ldb ldd lde ldk ldl ldn ldu lea leb led lee lek lel len leu lka lkb lkl lla llb lld lle llk lll lln llu lna lnb lnd lne lnk lnl lnn lnu lua lub lud lue luk lul lun luu naa nab nad nae nak nal nan nau nba nbb nbd nbe nbk nbl nbn nbu nda ndb ndd nde ndk ndl ndn ndu ne- nea neb ned nee nek nel nen neu nka nke nkk nkn nku nla nlb nld nle nlk nll nln nlu nna nnb nne nnk nnl nnn nnu nua nub nud nue nuk nul nun nuu ua- uaa uab uad uae uak ual uan uau uba ubb ube ubk ubl ubn ubu uda udb udd ude udk udl udn udu uea ueb ued uee uel uen uka ukb uke ukk ukl ukn uku ula ulb uld ule ulk ull uln ulu un- una unb und une unk unl unn unu uua uue uun uuu