-er -ey -up b-p b-u bbb bbd bbe bbp bbr bbs bbu bby bdb bdd bde bdp bdr bds bdu bdy be- beb bed bee bep ber bes beu bey bpb bpd bpe bpp bpr bps bpu bpy brb brd bre brp brr brs bru bry bsb bsd bse bsp bsr bss bsu bsy bub bud bue bup bur bus buu buy by- byd bye byp byr bys byu dbb dbd dbe dbp dbr dbs dbu dby ddb ddd dde ddp ddr dds ddu ddy de- deb ded dee dep der des deu dey dpb dpd dpe dpp dpr dps dpu drb drd dre drp drr drs dru dry dsb dsd dse dsp dsr dss dsu dsy dub dud due dup dur dus duy dy- dyb dyd dye dyp dyr dys dyu dyy ebb ebd ebe ebp ebr ebs ebu eby ed- edb edd ede edp edr eds edu edy eeb eed eee eep eer ees eey ep- epb epd epe epp epr eps epu erb erd ere erp err ers eru ery es- esb esd ese esp esr ess esu esy eu- eub eud eue eup eur eus eyd eye eyp eyr eys p-p pbb pbd pbe pbp pbr pbs pbu pby pdb pdd pde pdp pdr pds pdu peb ped pee pep per pes peu pey ppb ppd ppe ppp ppr pps ppu prb prd pre prp prr prs pru pry ps- psb psd pse psp psr pss psu psy pub pud pue pup pur pus puu puy py- pyb pyd pye pyr pys pyu rbb rbd rbe rbp rbr rbs rbu rdb rdd rde rdp rdr rds rdu rdy re- reb red ree rep rer res reu rey rpb rpd rpe rpp rpr rps rpu rrb rrd rrp rrr rrs rru rsb rsd rse rsp rsr rss rsu rub rud rue rup rur rus ruu ruy ry- ryd rye ryr rys ryu ryy sbb sbd sbe sbp sbr sbs sbu sby sdb sdd sde sdp sdr sds sdu sdy se- seb sed see sep ser ses seu sey spb spd spe spp spr sps spu spy sr- srb srd sre srp srr srs sry ss- ssb ssd sse ssp ssr sss ssu sub sud sue sup sur sus suu suy sy- syb syd sye syp syr sys syu ubb ube ubp ubr ubs ubu uby udb udd ude udp udr uds udu ueb ued uee uep uer ues uey up- upb upd upe upp upr ups upu ur- urb urd ure urp urr urs uru ury usb usd use usp usr uss usu uue uur uus uuu uys uyu ybe ybp ybr ybs yby yde yds ydy yeb yed yee yep yer yes yey ypd yps ypu yre yrp yrs yru ysb yse ysp ysr yss ysu ysy yud yue yup yur yus yuu yuy yyb yye yys yyu yyy