-up b-p b-u bbb bbc bbn bbo bbp bbr bbt bbu bby bcb bcc bcn bco bcp bcr bct bcu bcy bnb bnc bnn bno bnp bnr bnt bnu bob boc bon boo bop bor bot bou boy bpb bpc bpn bpo bpp bpr bpt bpu bpy brb brn bro brp brr brt bru bry btb btc btn bto btp btr btt btu bty bub buc bun buo bup bur but buu buy by- byc byn byo byp byr byt byu c-- cbb cbc cbn cbo cbp cbr cbt cbu cby ccb ccc ccn cco ccp ccr cct ccu cn- cnb cnc cnn cno cnp cnr cnt cnu cny co- cob coc con coo cop cor cot cou coy cpb cpc cpn cpo cpp cpr cpt cpu crb crc crn cro crp crr crt cru cry ctb ctc ctn cto ctp ctr ctt ctu cty cub cuc cun cuo cup cur cut cuu cuy cyb cyc cyn cyo cyp cyr cyt nbb nbc nbn nbo nbp nbr nbt nbu ncb ncc ncn nco ncp ncr nct ncu nnb nnc nnn nno nnp nnt nnu no- nob noc non noo nop nor not nou noy npb npc npn npo npp npr npt npu nrb nrc nrn nro nrp nrr nrt nru nry ntb ntc ntn nto ntp ntr ntt ntu nub nuc nun nuo nup nur nut nuu nuy nyc nyn nyo nyp nyt nyu nyy ob- obb obc obn obo obp obr obt obu oby oc- ocb occ ocn oco ocp ocr oct ocu on- onb onc onn ono onp onr ont onu ony oo- oob ooc oon ooo oop oor oot op- opb opc opn opo opp opr opt opy or- orb orc orn oro orp orr ort oru ory ot- otb otc otn oto otp otr ott otu ou- ouc oun ouo oup our out oyo p-p pbb pbc pbn pbo pbp pbr pbt pbu pby pcb pcc pcn pco pcp pcr pct pcu pn- pnb pnc pnn pno pnp pnr pnt pnu pny pob poc pon poo pop por pot pou poy ppb ppc ppn ppo ppp ppr ppt ppu prb prc prn pro prp prr prt pru pry pt- ptb ptc ptn pto ptp ptr ptt ptu pty pub puc pun pup pur put puu puy py- pyb pyc pyn pyo pyr pyt pyu rbb rbc rbn rbo rbp rbr rbt rbu rcb rcc rcn rco rcp rcr rct rcu rnb rnc rnn rno rnp rnr rnt rnu rny rob roc ron roo rop ror rot rou roy rpb rpc rpn rpo rpp rpr rpt rpu rrb rrc rrn rrp rrr rrt rru rtb rtc rtn rto rtp rtr rtt rtu rty rub ruc run ruo rup rur rut ruu ruy ry- ryc ryn ryo ryr ryu ryy tbb tbc tbn tbo tbp tbr tbt tbu tcb tcc tcn tco tcp tcr tct tcu tnb tnc tnn tno tnp tnr tnt to- tob toc ton too top tor tot tou toy tpb tpc tpn tpo tpp tpr tpt tpu trb trc trn tro trp trr trt tru try ttb ttc ttn tto ttp ttr ttt ttu tty tub tuc tun tuo tup tur tut tuu tuy tyc tyn tyo typ tyr tyt ubb ubc ubn ubo ubp ubr ubt ubu uby ucb ucc ucn uco ucp ucr uct ucu un- unb unc unn uno unp unr unt unu uny uob uoc uon uoo uop uor uot up- upb upc upn upo upp upr upt upu ur- urb urc urn uro urp urr urt uru ury utb utc utn uto utp utr utt utu uty uuc uun uur uut uuu uyc uyo uyu ybc ybp ybr yby ycc yco ycp ycu ycy ynn ynp ynu yny yob yoc yon yoo yop yor yot you yoy ypo ypu yrc yrn yro yrp yrt yru ytc ytn yto ytp ytr ytt ytu yun yuo yup yur yut yuu yuy yyb yyc yyt yyu yyy