-ey b-u bbb bbc bbe bbh bbk bbo bbu bby bcb bcc bce bch bck bco bcu bcy be- beb bec bee beh bek beo beu bey bhb bhc bhe bhh bhk bho bhu bkb bkc bke bkk bko bob boc boe boh bok boo bou boy bub buc bue buh buk buo buu buy by- byc bye byh byk byo byu c-- cbb cbc cbe cbh cbk cbo cbu cby ccb ccc cce cch cck cco ccu ce- ceb cec cee ceh cek ceo ceu cey ch- chb chc che chh chk cho chu chy ckb ckc ckh cko cky co- cob coc coe coh cok coo cou coy cub cuc cue cuh cuk cuo cuu cuy cyb cyc cye cyk cyo ebb ebc ebe ebh ebk ebo ebu eby ec- ecb ecc ece ech eck eco ecu eeb eec eee eek eeo eey ehb ehc ehe ehh eho ehu ekb ekc eke ekh eko eku eky eo- eob eoc eoe eoh eok eoo eou eu- eub euc eue eyc eye eyo hbb hbc hbe hbh hbk hbo hbu hby hcb hcc hce hch hck hco hcy he- heb hec hee heh hek heo heu hey hhb hhc hhe hhh hhk hho hhu hhy hkb hkh hkk hko hku hob hoc hoe hoh hok hoo hou hoy hub huc hue huh huk huo huu huy hy- hyb hyc hye hyh hyo hyy kbb kbc kbe kbh kbk kbo kbu kcb kcc kce kch kck kcu ke- keb kec kee keh kek keo key khe khh khk kho khu kkb kkc kke kkh kkk kku kky kob koc koe koh kok koo kou koy kub kuc kue kuh kuk kuu kuy kyc kye kyo kyu ob- obb obc obe obh obk obo obu oby oc- ocb occ och ock oco ocu oeb oec oee oeh oeo oey ohc ohe ohh oho ohu okb okc oke okk oko oku oo- oob ooc ooh ook ooo ou- ouc oue ouh ouk ouo oye oyo ubb ubc ube ubh ubk ubo ubu uby ucb ucc uce uch uck uco ucu ueb uec uee ueh uey uhb uhc uhe uhh uho uhu uhy ukb ukc uke ukk uku uob uoc uoe uok uoo uuc uue uuu uyc uyo uyu ybc ybe yby ycc yce ych yco ycu ycy yeb yec yee yeh yek yeo yey yhc yhe yhu ykk yob yoc yoe yok yoo you yoy yue yuh yuk yuo yuu yuy yyb yyc yye yyu yyy