-ol -up b-p b-u bbb bbl bbn bbo bbp bbr bbt bbu blb bll bln blo blp blr blt blu bnb bnl bnn bno bnp bnr bnt bnu bob bol bon boo bop bor bot bou bpb bpl bpn bpo bpp bpr bpt bpu brb brl brn bro brp brr brt bru btb btl btn bto btp btr btt btu bub bul bun buo bup bur but buu l-p lbb lbl lbo lbp lbr lbt lbu llb lll lln llo llp llr llt llu lnb lnl lnn lno lnp lnr lnt lnu lob lol lon loo lop lor lot lou lpb lpl lpn lpo lpp lpr lpt lpu lrb lrn lro lrp lrr lrt lru ltb ltl lto ltp ltr ltt ltu lub lul lun luo lup lur lut luu nbb nbl nbn nbo nbp nbr nbt nbu nlb nll nln nlo nlp nlr nlt nlu nnb nnl nnn nno nnp nnt nnu no- nob nol non noo nop nor not nou npb npl npn npo npp npr npt npu nrb nrl nrn nro nrp nrr nrt nru ntb ntn nto ntp ntr ntt ntu nub nul nun nuo nup nur nut nuu ob- obb obl obn obo obp obr obt obu olb oll oln olo olp olt olu on- onb onl onn ono onp onr ont onu oo- oob ool oon ooo oop oor oot op- opb opl opn opo opp opr opt or- orb orl orn oro orp orr ort oru ot- otb otl otn oto otp otr ott otu ou- oul oun ouo oup our out p-p pbb pbl pbn pbo pbp pbr pbt pbu plb pll pln plo plp plr plt plu pn- pnb pnl pnn pno pnp pnr pnt pnu pob pol pon poo pop por pot pou ppb ppl ppn ppo ppp ppr ppt ppu prb prl prn pro prp prr prt pru pt- ptb ptl ptn pto ptp ptr ptt ptu pub pul pun pup pur put puu rbb rbl rbn rbo rbp rbr rbt rbu rll rln rlo rlp rlr rlt rlu rnb rnn rno rnp rnr rnt rnu rob rol ron roo rop ror rot rou rpb rpl rpn rpo rpp rpr rpt rpu rrb rrl rrn rrp rrr rrt rru rtb rtl rtn rto rtp rtr rtt rtu rub run ruo rup rur rut ruu tbb tbl tbn tbo tbp tbr tbt tbu tll tln tlo tlp tlr tlt tlu tnb tnl tnn tno tnp tnr tnt to- tob tol ton too top tor tot tou tpb tpl tpn tpo tpp tpr tpt tpu trb trl trn tro trp trr trt tru ttb ttl ttn tto ttp ttr ttt ttu tub tul tun tuo tup tur tut tuu ubb ubl ubn ubo ubp ubr ubt ubu ulb ull uln ulo ulp ulr ult ulu un- unb unl unn uno unp unr unt unu uob uol uon uoo uop uor uot up- upb upn upo upp upr upt upu ur- urb url urn uro urp urr urt uru utb utl utn uto utp utr utt utu uun uur uut uuu

bbbb bblb bbpr blbt blno blob blon bloo blop blot blou blub blup blur blut bnor bnpp bnrr bobb bobo bobu boll boln bolo bolt bolu bonn bono bont bonu boob bool boon boop boor boot bopp bor- born boro borr bort boru botb botn boto bott boul boun boup bour bout bpot brlp brno brob brol bron broo bror brot brou brrr brun brup brut btbp btlp btob btor btrt bttb bubb bubo bubu bulb bull bult bulu bunb bunn buno bunt bunu buol buon bur- burb burl burn buro burp burr burt buru but- buto butt lblr lbrt llll lloo lnbp lob- lobb lobo loll lolo lono lonr lont loob lool loon loop loor loot lopp lopu lorn loro lotl loto lotr lott loul loun loup lour lout louu lppl lprp lptb lron lrpu lrrr ltbl ltnt lttr lull lulu lunn luno lunt lupo lupu lurt luup n-up nbbo nbpp nlrb nlrp nnnn nnot nnpr nntn nobo nobu noll nolo nolp nolt non- nonn nono nont nonu noo- noob nool noon nooo noop noor noot nor- norb norn noro norr nort not- noto nott noul noun noup nour nout npbl nppl nprt nptn nrlb nron nrpn nrrl nrtl ntnu ntop ntrl ntru ntto nttr nubl null nunn nuno nunt nuon nurl nurn nurp nurr nurt nuru nutt nutu obbo oblu obol obon obor obot obro olbo ollo olon olor olot oltu olur onno onon onor onpt onpu ont- onto onup onur onut oolo oont oooo oort ootb ootp opo- opon opor oppo optn opto orbb orbo orbu orlo orlu orno oro- oron oror orot orro orto orub orup oto- oton otoo otor otpp otro otto ottu otur oulu oun- our- ourn ouro ourt out- outb outo ouu- pblu plbr plnt plob plon ploo plop plot plou plpp pltt plup plur pnln pnnl pnon pnot pnpo pnpp pnro pntl pntr pnup pobo poll polo polt polu pono ponp pont pool poon poop poor poot pop- popo popp popt porb porn poro porr port poto pott potu poul poun poup pour pout pplo pppn pppo pppp ppru pptn pptt ppur prlr prnp pro- prob prol pron proo prop prot prou prtp prtr prut pruu ptbl ptol ptop publ pubu pull pulo pulp pult pulu puno punt punu pupl pupu pur- purb purl puro purp purr puru put- puto putt putu rbbb rbbr rnbr rnnt rnot rntp rnut rob- robb robo robt robu roll rolo rolp rolt rono ront roob rool roon roop roor root ropo roro rort roru rotl rotn roto rotr rott roub roul roun roup rout rpob rpon rppn rptn rrrr rrun rtlt rttp rubb rubp rubu rull rulo runn runo runt rupp rupt ruro rurp ruru rutl ruto rutt rutu ruun tbrb tbtp tlon tnut tobo tobt tobu tol- toll tolo tolt tolu tonb tonn tono tonu tool toon toor toot top- topo topp topt topu torn toro torp torr tort toru toto totr tott toul toun toup