-up b-p b-u bbb bbc bbn bbo bbp bbr bbt bbu bcb bcc bcn bco bcp bcr bct bcu bnb bnc bnn bno bnp bnr bnt bnu bob boc bon boo bop bor bot bou bpb bpc bpn bpo bpp bpr bpt bpu brb brn bro brp brr brt bru btb btc btn bto btp btr btt btu bub buc bun buo bup bur but buu c-- cbb cbc cbn cbo cbp cbr cbt cbu ccb ccc ccn cco ccp ccr cct ccu cn- cnb cnc cnn cno cnp cnr cnt cnu co- cob coc con coo cop cor cot cou cpb cpc cpn cpo cpp cpr cpt cpu crb crc crn cro crp crr crt cru ctb ctc ctn cto ctp ctr ctt ctu cub cuc cun cuo cup cur cut cuu 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 npb npc npn npo npp npr npt npu nrb nrc nrn nro nrp nrr nrt nru ntb ntc ntn nto ntp ntr ntt ntu nub nuc nun nuo nup nur nut nuu ob- obb obc obn obo obp obr obt obu oc- ocb occ ocn oco ocp ocr oct ocu on- onb onc onn ono onp onr ont onu oo- oob ooc oon ooo oop oor oot op- opb opc opn opo opp opr opt or- orb orc orn oro orp orr ort oru ot- otb otc otn oto otp otr ott otu ou- ouc oun ouo oup our out p-p pbb pbc pbn pbo pbp pbr pbt pbu pcb pcc pcn pco pcp pcr pct pcu pn- pnb pnc pnn pno pnp pnr pnt pnu pob poc pon poo pop por pot pou ppb ppc ppn ppo ppp ppr ppt ppu prb prc prn pro prp prr prt pru pt- ptb ptc ptn pto ptp ptr ptt ptu pub puc pun pup pur put puu rbb rbc rbn rbo rbp rbr rbt rbu rcb rcc rcn rco rcp rcr rct rcu rnb rnc rnn rno rnp rnr rnt rnu rob roc ron roo rop ror rot rou rpb rpc rpn rpo rpp rpr rpt rpu rrb rrc rrn rrp rrr rrt rru rtb rtc rtn rto rtp rtr rtt rtu rub ruc run ruo rup rur rut ruu 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 tpb tpc tpn tpo tpp tpr tpt tpu trb trc trn tro trp trr trt tru ttb ttc ttn tto ttp ttr ttt ttu tub tuc tun tuo tup tur tut tuu ubb ubc ubn ubo ubp ubr ubt ubu ucb ucc ucn uco ucp ucr uct ucu un- unb unc unn uno unp unr unt unu 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 utb utc utn uto utp utr utt utu uuc uun uur uut uuu

bbbb bbpr bbrc bcbc bcbp bccc bcnu bcor bcpp bcru bctc bcuc bcup bnoc bnor bnpp bnrr bobb bobo bobu boco bocu bonc bonn bono bont bonu boob booc boon boop boor boot bopp bor- born boro borr bort boru botb botn boto bott boun boup bour bout bpcp bpot bprc brcb brno brob broc bron broo bror brot brou brrr brtc bruc brun brup brut btbp btcc btob btor btrc btrt bttb bubb bubo bubu bucc buco bucu bunb bunn buno bunt bunu buon bupc bur- burb burn buro burp burr burt buru but- buto butt c-bo cbbc cbcc cbcn cbcp cbcr cbct cbcu cbot cbpc cbpp cbrn cbrt cbtc ccbc ccbn cccb cccc cccp cccu ccnb ccnc ccnp ccnr ccnu ccob ccoc ccpn ccpp ccpr ccrc ccrp ccrt cctb cctc cctt ccuc ccup ccut cnbc cnbp cnco cncp cnrc cnrr cnrt cntc cntr cnut cobb cobo cobu coco cocp coct cocu con- conc conn cono cont coob coon coop coot copo copp copr copt cor- corb corc corn coro corp corr cort cotb cotc cotn coto cott cotu coub coun coup cour cout cpbc cpcu cpnb cpnt cprt cptp cptr crbc crbu crcc crcr crob croc cron croo crop cror crot crpc crrt crtc crtp crub crun crup crut ctcp ctor ctot ctpo ctpp ctrc ctrn ctrp cttn cub- cubb cucc cucn cuno cunp cunt cuon cupo cupp cupr curb curn curo curr curt cut- cutc cuto cutt n-up nbbc nbbo nbcc nbco nbpp ncbc nccc nccn nccp nccr ncct nccu ncnc ncoc ncor ncpc ncrc ncrp nctc nctr nnnn nnot nnpr nntn nobc nobo nobu noco noct non- nonn nono nont nonu noo- noob noon nooo noop noor noot nor- norb norc norn noro norr nort not- noto nott noun noup nour nout npcc nppc nprt nptc nptn nroc nron nrpc nrpn nrrc ntbc ntcc ntnu ntop ntpc ntrc ntru ntto nttr ntuc nubc nucu nunc nunn nuno nunt nuoc nuon nurc nurn nurp nurr nurt nuru nutt nutu obbo obon obor obot obro ocbc occc occn occt ocon ocpp ocro ocrr oct- octo ocur onc- onco onct onno onon onor onpt onpu ont- ontc onto onup onur onut oocr oont oooo oort ootb ootp opo- opon opor oppo optn opto orbb orbo orbu orco ornc orno oro- oron oror orot orpc orro ortc orto orub orup oto- oton otoo otor otpp otro otto ottu otur oucc oun- our- ourn ouro ourt out- outb outo ouu- pbcc pboc pcbc pccc pcnt pcpb pcpn pcpp pcrc pcun pnon pnot pnpo pnpp pnro pntr pnup pobo poco ponc pono ponp pont poon poop poor poot pop- popc popo popp popt porb porc porn poro porr port potc poto pott potu poun poup pour pout ppcc pppn pppo pppp pprc ppru pptn pptt ppur prbc prcc prcp prnp pro- prob proc pron proo prop prot prou prtc prtp prtr