-ey -up b-p b-u bbb bbd bbe bbo bbp bbu bby bdb bdd bde bdo bdp bdu bdy be- beb bed bee beo bep beu bey bob bod boe boo bop bou boy bpb bpd bpe bpo bpp bpu bpy bub bud bue buo bup buu buy by- byd bye byo byp byu dbb dbd dbe dbo dbp dbu dby ddb ddd dde ddo ddp ddu ddy de- deb ded dee deo dep deu dey dob dod doe doo dop dou doy dpb dpd dpe dpo dpp dpu dub dud due duo dup duy dy- dyb dyd dye dyo dyp dyu dyy ebb ebd ebe ebo ebp ebu eby ed- edb edd ede edo edp edu edy eeb eed eee eeo eep eey eo- eob eod eoe eoo eop eou ep- epb epd epe epo epp epu eu- eub eud eue eup eyd eye eyo eyp ob- obb obd obe obo obp obu oby odb odd ode odo odp odu oeb oed oee oeo oep oey oo- oob ood ooo oop op- opb opd ope opo opp opy ou- oud oue ouo oup oyd oye oyo p-p pbb pbd pbe pbo pbp pbu pby pdb pdd pde pdo pdp pdu peb ped pee peo pep peu pey pob pod poe poo pop pou poy ppb ppd ppe ppo ppp ppu pub pud pue pup puu puy py- pyb pyd pye pyo pyu ubb ube ubo ubp ubu uby udb udd ude udo udp udu ueb ued uee uep uey uob uod uoe uoo uop up- upb upd upe upo upp upu uue uuu uyo uyu ybe ybp yby yde ydo ydy yeb yed yee yeo yep yey yob yod yoe yoo yop you yoy ypd ypo ypu yud yue yuo yup yuu yuy yyb yye yyu yyy