a-a a-b aaa aab aad aae aaj aan aao aau ab- aba abb abd abe abj abn abo abu ad- ada adb add ade adj adn ado adu aea aeb aed aee aej aen aeo aeu aja ajb ajd aje ajj ajn ajo aju an- ana anb and ane anj ann ano anu aoa aob aod aoe aoj aon aoo aou au- aua aub aud aue auj aun auo b-u baa bab bad bae baj ban bao bau bba bbb bbd bbe bbn bbo bbu bda bdb bdd bde bdj bdo bdu be- bea beb bed bee ben beo beu bja bjd bjj bjn bju bna bnb bnd bne bnj bnn bno bnu boa bob bod boe boj bon boo bou bua bub bud bue buj bun buo buu daa dab dad dae daj dan dao dau dba dbb dbd dbe dbn dbo dbu dda ddb ddd dde ddn ddo ddu de- dea deb ded dee dej den deo deu dj- dja djb djd dje djo dna dnb dnd dne dnj dnn dno doa dob dod doe doj don doo dou dua dub dud due dun duo eaa eab ead eae eaj ean eao eau eba ebb ebd ebe ebj ebn ebo ebu ed- eda edb edd ede edj edn edo edu eea eeb eed eee een eeo eja ejd ejo eju en- ena enb end ene enn eno enu eo- eoa eob eod eoe eon eoo eou eu- eua eub eud eue euj eun j-d jaa jab jad jae jaj jan jao jau jba jbj jbo jbu jda jdb jde jdn jdo jea jeb jed jee jej jen jeo jeu jja jjb jjj jju jna jnd jne jnj jnn jno jnu joa job jod joe joj jon joo jou jub jud jue jun juo naa nab nad nae naj nan nao nau nba nbb nbd nbe nbn nbo nbu nda ndb ndd nde ndn ndo ndu ne- nea neb ned nee nej nen neo neu nja nje njn nju nna nnb nne nnn nno nnu no- noa nob nod noe noj non noo nou nua nub nud nue nuj nun nuo nuu oaa oab oad oae oaj oan oao oau ob- oba obb obd obe obj obn obo obu oda odb odd ode odn odo odu oea oeb oed oee oen oeo oja ojb ojd oje ojo oju on- ona onb ond one onj onn ono onu oo- ooa oob ood oon ooo ou- oua oud oue oun ouo ua- uaa uab uad uae uaj uan uao uau uba ubb ube ubn ubo ubu uda udb udd ude udj udn udo udu uea ueb ued uee uen ujo un- una unb und une unn uno unu uoa uob uod uoe uoj uon uoo uua uue uun uuu