a-a a-b aaa aab aad aae aag aan aao aau ab- aba abb abd abe abg abn abo abu ad- ada adb add ade adg adn ado adu aea aeb aed aee aeg aen aeo aeu ag- aga agb agd age agg agn ago agu an- ana anb and ane ang ann ano anu aoa aob aod aoe aog aon aoo aou au- aua aub aud aue aug aun auo b-u baa bab bad bae bag ban bao bau bba bbb bbd bbe bbg bbn bbo bbu bda bdb bdd bde bdg bdo bdu be- bea beb bed bee beg ben beo beu bga bgb bgd bge bgg bgn bgo bgu bna bnb bnd bne bng bnn bno bnu boa bob bod boe bog bon boo bou bua bub bud bue bug bun buo buu daa dab dad dae dag dan dao dau dba dbb dbd dbe dbg dbn dbo dbu dda ddb ddd dde ddg ddn ddo ddu de- dea deb ded dee deg den deo deu dga dgd dge dgg dgn dgu dna dnb dnd dne dng dnn dno doa dob dod doe dog don doo dou dua dub dud due dug dun duo eaa eab ead eae eag ean eao eau eba ebb ebd ebe ebg ebn ebo ebu ed- eda edb edd ede edg edn edo edu eea eeb eed eee eeg een eeo ega egb egd ege egg egn ego egu en- ena enb end ene eng enn eno enu eo- eoa eob eod eoe eog eon eoo eou eu- eua eub eud eue eug eun g-d gaa gab gad gae gag gan gao gau gba gbd gbe gbg gbn gbo gbu gda gdb gdd gde gdn gdo gdu ge- gea geb ged gee geg gen geo geu gga ggb ggd ggg ggn ggo ggu gna gnb gnd gne gnn gno gnu goa gob god goe gog gon goo gou gu- gua gub gud gue gug gun guo guu naa nab nad nae nag nan nao nau nba nbb nbd nbe nbg nbn nbo nbu nda ndb ndd nde ndg ndn ndo ndu ne- nea neb ned nee neg nen neo neu nga ngb ngd nge ngg ngn ngo ngu nna nnb nne nng nnn nno nnu no- noa nob nod noe nog non noo nou nua nub nud nue nug nun nuo nuu oaa oab oad oae oag oan oao oau ob- oba obb obd obe obg obn obo obu oda odb odd ode odg odn odo odu oea oeb oed oee oeg oen oeo oga ogd oge ogg ogn ogo on- ona onb ond one ong onn ono onu oo- ooa oob ood oog oon ooo ou- oua oud oue oun ouo ua- uaa uab uad uae uag uan uao uau uba ubb ube ubg ubn ubo ubu uda udb udd ude udg udn udo udu uea ueb ued uee ueg uen uga ugb uge ugg ugn ugo ugu un- una unb und une ung unn uno unu uoa uob uod uoe uog uon uoo uua uue uug uun uuu