a-a a-b aaa aab aad aae aaf aag aah aao aau ab- aba abb abd abe abf abg abh abo abu ad- ada adb add ade adf adg adh ado adu aea aeb aed aee aef aeg aeh aeo aeu af- afa afb afd afe aff afg afh afo afu ag- aga agb agd age agf agg agh ago agu aha ahb ahd ahe ahf ahg ahh aho ahu aoa aob aod aoe aof aog aoh aoo aou au- aua aub aud aue auf aug auh auo b-u baa bab bad bae baf bag bah bao bau bba bbb bbd bbe bbf bbg bbh bbo bbu bda bdb bdd bde bdf bdg bdh bdo bdu be- bea beb bed bee bef beg beh beo beu bfa bfb bfd bfe bff bfg bfh bfo bfu bga bgb bgd bge bgf bgg bgh bgo bgu bha bhb bhd bhe bhf bhg bhh bho bhu boa bob bod boe bof bog boh boo bou bua bub bud bue buf bug buh buo buu daa dab dad dae daf dag dah dao dau dba dbb dbd dbe dbf dbg dbh dbo dbu dda ddb ddd dde ddf ddg ddh ddo ddu de- dea deb ded dee def deg deh deo deu dfa dfb dfd dfe dff dfg dfh dfo dfu dga dgd dge dgf dgg dgh dgu dh- dha dhb dhd dhe dhf dhh dho dhu doa dob dod doe dof dog doh doo dou dua dub dud due duf dug duh duo eaa eab ead eae eaf eag eah eao eau eba ebb ebd ebe ebf ebg ebh ebo ebu ed- eda edb edd ede edf edg edh edo edu eea eeb eed eee eef eeg eeo ef- efa efb efd efe eff efg efh efo ega egb egd ege egf egg egh ego egu eha ehb ehd ehe ehf ehg ehh eho ehu eo- eoa eob eod eoe eof eog eoh eoo eou eu- eua eub eud eue euf eug faa fab fad fae faf fag fah fao fau fba fbb fbd fbe fbf fbg fbh fbo fbu fda fdb fdd fde fdf fdg fdh fdo fdu fea feb fed fee fef feg feh feo feu ffa ffd ffe fff ffg ffh ffo ffu fga fgb fgd fge fgf fgg fgh fha fhb fhe fhf fhg fhh fho foa fob foe fof fog foh foo fou fua fub fud fue fuf fug fuo fuu g-d gaa gab gad gae gaf gag gah gao gau gba gbd gbe gbf gbg gbh gbo gbu gda gdb gdd gde gdf gdh gdo gdu ge- gea geb ged gee gef geg geh geo geu gfa gfb gfd gfe gff gfh gfo gga ggb ggd ggg ggh ggo ggu gha ghb ghd ghe ghg ghh gho goa gob god goe gof gog goh goo gou gu- gua gub gud gue guf gug guo guu haa hab had hae haf hag hah hao hau hba hbb hbd hbe hbf hbg hbh hbo hbu hda hdb hdd hde hdf hdg hdh hdo hdu he- hea heb hed hee hef heg heh heo heu hfa hfb hfd hfe hff hfg hfh hfo hfu hga hgb hge hgf hgg hgh hgo hgu hha hhb hhd hhe hhf hhg hhh hho hhu hoa hob hod hoe hof hog hoh hoo hou hua hub hud hue huf hug huh huo huu oaa oab oad oae oaf oag oah oao oau ob- oba obb obd obe obf obg obh obo obu oda odb odd ode odf odg odh odo odu oea oeb oed oee oef oeg oeh oeo of- ofa ofb ofd ofe off ofg ofo ofu oga ogd oge ogf ogg ogh ogo oha ohd ohe ohf ohg ohh oho ohu oo- ooa oob ood oof oog ooh ooo ou- oua oud oue ouf ouh ouo ua- uaa uab uad uae uaf uag uah uao uau uba ubb ube ubf ubg ubh ubo ubu uda udb udd ude udf udg udo udu uea ueb ued uee uef ueg ueh ufa ufd ufe uff ufg ufh ufo ufu uga ugb uge ugf ugg ugh ugo ugu uha uhb uhd uhe uhf uhh uho uhu uoa uob uod uoe uog uoo uua uue uug uuu