-ey b-u bbb bbc bbd bbe bbh bbo bbu bby bcb bcc bcd bce bch bco bcu bcy bcz bdb bdc bdd bde bdh bdo bdu bdy bdz be- beb bec bed bee beh beo beu bey bez bhb bhc bhd bhe bhh bho bhu bob boc bod boe boh boo bou boy boz bub buc bud bue buh buo buu buy buz by- byc byd bye byh byo byu byz bzd bze bzh bzo bzu bzz c-- cbb cbc cbd cbe cbh cbo cbu cby cbz ccb ccc ccd cce cch cco ccu ccz cdb cdc cdd cde cdh cdo cdu cdy cdz ce- ceb cec ced cee ceh ceo ceu cey cez ch- chb chc chd che chh cho chu chy chz co- cob coc cod coe coh coo cou coy coz cub cuc cud cue cuh cuo cuu cuy cuz cyb cyc cyd cye cyo cz- czc czd cze czo dbb dbc dbd dbe dbh dbo dbu dby dbz dcb dcc dcd dce dco dcu ddb ddc ddd dde ddh ddo ddu ddy ddz de- deb dec ded dee deh deo deu dey dez dh- dhb dhc dhd dhe dhh dho dhu dob doc dod doe doh doo dou doy doz dub duc dud due duh duo duy duz dy- dyb dyc dyd dye dyo dyu dyy dzb dzd dze dzo dzu ebb ebc ebd ebe ebh ebo ebu eby ec- ecb ecc ecd ece ech eco ecu ed- edb edc edd ede edh edo edu edy eeb eec eed eee eeo eey ehb ehc ehd ehe ehh eho ehu eo- eob eoc eod eoe eoh eoo eou eu- eub euc eud eue eyc eyd eye eyo eze ezh ezo ezz hbb hbc hbd hbe hbh hbo hbu hby hbz hcb hcc hcd hce hch hco hcy hdb hdc hdd hde hdh hdo hdu hdy hdz he- heb hec hed hee heh heo heu hey hez hhb hhc hhd hhe hhh hho hhu hhy hhz hob hoc hod hoe hoh hoo hou hoy hub huc hud hue huh huo huu huy huz hy- hyb hyc hyd hye hyh hyo hyy hzd hze hzo hzy ob- obb obc obd obe obh obo obu oby oc- ocb occ ocd och oco ocu ocz odb odc odd ode odh odo odu oeb oec oed oee oeh oeo oey ohc ohd ohe ohh oho ohu oo- oob ooc ood ooh ooo ou- ouc oud oue ouh ouo oyd oye oyo oze ozo ozu ozz ubb ubc ube ubh ubo ubu uby ucb ucc ucd uce uch uco ucu udb udc udd ude udo udu ueb uec ued uee ueh uey uhb uhc uhd uhe uhh uho uhu uhy uob uoc uod uoe uoo uuc uue uuu uyc uyo uyu uzb uzh uzo uzu ybc ybe yby ybz ycc ycd yce ych yco ycu ycy yde ydo ydy yeb yec yed yee yeh yeo yey yez yhc yhe yhu yob yoc yod yoe yoo you yoy yud yue yuh yuo yuu yuy yyb yyc yye yyu yyy yyz yzb yzu yzy zbb zbc zby zce zco zeb zec zed zee zeh zeo zez zhc zhe zho zhu zo- zob zoc zod zoe zoo zou zub zuc zud zuz zzy zzz