-er -ey -up b-p b-u bbb bbc bbe bbn bbp bbr bbu bbx bby bcb bcc bce bcn bcp bcr bcu bcx bcy be- beb bec bee ben bep ber beu bex bey bnb bnc bne bnn bnp bnr bnu bnx bpb bpc bpe bpn bpp bpr bpu bpx bpy brb bre brn brp brr bru brx bry bub buc bue bun bup bur buu bux buy bxb bxn bxx by- byc bye byn byp byr byu c-- cbb cbc cbe cbn cbp cbr cbu cbx cby ccb ccc cce ccn ccp ccr ccu ccx ce- ceb cec cee cen cep cer ceu cex cey cn- cnb cnc cne cnn cnp cnr cnu cnx cny cpb cpc cpe cpn cpp cpr cpu cpx crb crc cre crn crp crr cru crx cry cub cuc cue cun cup cur cuu cuy cxc cxp cxr cxx cyb cyc cye cyn cyp cyr ebb ebc ebe ebn ebp ebr ebu ebx eby ec- ecb ecc ece ecn ecr ecu ecx eeb eec eee een eep eer eex eey en- enb enc ene enn enp enr enu eny ep- epb epc epe epn epp epr epu epx erb erc ere ern erp err eru ery eu- eub euc eue eun eup eur eux ex- exc exe exp exr exu exx exy eyc eye eyn eyp eyr nbb nbc nbe nbn nbp nbr nbu nbx ncb ncc nce ncn ncp ncr ncu ncx ne- neb nec nee nen nep ner neu nex ney nnb nnc nne nnn nnp nnu npb npc npe npn npp npr npu nrb nrc nre nrn nrp nrr nru nrx nry nub nuc nue nun nup nur nuu nux nuy nxc nyc nye nyn nyp nyu nyx nyy p-p pbb pbc pbe pbn pbp pbr pbu pbx pby pcb pcc pce pcn pcp pcr pcu pcx peb pec pee pen pep per peu pex pey pn- pnb pnc pne pnn pnp pnr pnu pnx pny ppb ppc ppe ppn ppp ppr ppu ppx prb prc pre prn prp prr pru prx pry pub puc pue pun pup pur puu puy pxc pxe pxr py- pyb pyc pye pyn pyr pyu pyx rbb rbc rbe rbn rbp rbr rbu rbx rcb rcc rce rcn rcp rcr rcu rcx re- reb rec ree ren rep rer reu rex rey rnb rnc rnn rnp rnr rnu rny rpb rpc rpe rpn rpp rpr rpu rpx rrb rrc rrn rrp rrr rru rub ruc rue run rup rur ruu rux ruy rxp rxr ry- ryc rye ryn ryr ryu ryy ubb ubc ube ubn ubp ubr ubu ubx uby ucb ucc uce ucn ucp ucr ucu ueb uec uee uen uep uer uey un- unb unc une unn unp unr unu unx uny up- upb upc upe upn upp upr upu upx ur- urb urc ure urn urp urr uru urx ury uuc uue uun uur uuu uxb uxc uxr uxu uyc uyu xbc xbe xbr xbx xcb xcp xcr xcx xee xen xep xer xeu xex xnc xnu xpb xpc xpe xpn xpp xrc xrx xry xue xun xup xxp xxx xxy xyp xyr xyy ybc ybe ybp ybr yby ycc yce ycp ycu ycy yeb yec yee yen yep yer yex yey yne ynn ynp ynu yny ypu yrc yre yrn yrp yru yue yun yup yur yuu yux yuy yxe yxy yyb yyc yye yyu yyy