-up b-p b-u bbb bbi bbn bbo bbp bbr bbt bbu bi- bib bii bin bio bip bir bit biu bnb bni bnn bno bnp bnr bnt bnu bob boi bon boo bop bor bot bou bpb bpi bpn bpo bpp bpr bpt bpu brb bri brn bro brp brr brt bru btb bti btn bto btp btr btt btu bub bui bun buo bup bur but buu ibb ibi ibn ibo ibp ibr ibt ibu iib iii iin iio iip iir iit iiu in- inb ini inn ino inp inr int inu io- iob ioi ion ioo iop ior iot iou ipb ipi ipn ipo ipp ipr ipt ipu ir- irb iri irn iro irp irr irt iru itb iti itn ito itp itt itu iu- iub iui iup iur iut n-i nbb nbi nbn nbo nbp nbr nbt nbu nib nii nin nio nip nir nit niu nnb nni nnn nno nnp nnt nnu no- nob noi non noo nop nor not nou npb npi npn npo npp npr npt npu nrb nri nrn nro nrp nrr nrt nru ntb nti ntn nto ntp ntr ntt ntu nub nui nun nuo nup nur nut nuu o-i ob- obb obi obn obo obp obr obt obu oib oii oin oio oip oir oit oiu on- onb oni onn ono onp onr ont onu oo- oob ooi oon ooo oop oor oot op- opb opi opn opo opp opr opt or- orb ori orn oro orp orr ort oru ot- otb oti otn oto otp otr ott otu ou- oui oun ouo oup our out p-p pbb pbi pbn pbo pbp pbr pbt pbu pib pii pin pio pip pir pit piu pn- pnb pni pnn pno pnp pnr pnt pnu pob poi pon poo pop por pot pou ppb ppi ppn ppo ppp ppr ppt ppu prb pri prn pro prp prr prt pru pt- ptb pti ptn pto ptp ptr ptt ptu pub pui pun pup pur put puu rbb rbi rbn rbo rbp rbr rbt rbu rib rii rin rio rip rir rit rnb rni rnn rno rnp rnr rnt rnu rob roi ron roo rop ror rot rou rpb rpi rpn rpo rpp rpr rpt rpu rrb rri rrn rrp rrr rrt rru rtb rti rtn rto rtp rtr rtt rtu rub rui run ruo rup rur rut ruu tbb tbi tbn tbo tbp tbr tbt tbu tib tii tin tio tip tir tit tiu tnb tni tnn tno tnp tnr tnt to- tob toi ton too top tor tot tou tpb tpi tpn tpo tpp tpr tpt tpu trb tri trn tro trp trr trt tru ttb tti ttn tto ttp ttr ttt ttu tub tui tun tuo tup tur tut tuu ubb ubi ubn ubo ubp ubr ubt ubu uib uii uin uio uip uir uit uiu un- unb uni unn uno unp unr unt unu uob uon uoo uop uor uot up- upb upi upn upo upp upr upt upu ur- urb uri urn uro urp urr urt uru utb uti utn uto utp utr utt utu uun uur uut uuu

bbbb bbin bbpr bibb bibi bibo biin bin- bini binn bino bint binu bio- bioi bion biot biou bipp bipu birb biri birn biro birr birt biru bito bitt bitu bnib bnin bnor bnpp bnrr bobb bobi bobo bobu boi- boii boin boit boiu boni bonn bono bont bonu boob boon boop boor boot bopp bor- bori born boro borr bort boru botb boti botn boto bott boun boup bour bout bpot bpti brin brio brit brno brob bron broo bror brot brou brrr brun brup brut btbp btob btor btrt bttb bubb bubi bubo bubu buin buir buit buiu bunb buni bunn buno bunt bunu buon bur- burb buri burn buro burp burr burt buru but- buti buto butt i-no ibon ibot ibri ibro ibtb iiii iiio iiit iino iioi iioo iiop iitr iitt inbo init inni inno innr innu ino- inoi inon inor inot inou inp- inpi inpp inpt inri inro inti intn into intp intr intu inui inun inup iobi ioii ioio ioit ioni ionn iono iooi iooo iori ioto ioun ipin ipop ippo ippr ipri ipto ipur iput irbp iri- irin irio irip irob iron irop irri irti irtp irun itin itno itoi iton itoo itor itou itri itto itup itur iuiu iuno iupp n-ii n-up nbbo nbpp nbti nibi nibo niip niir niit niiu nini nino nion nioo niou nipr nipt niro nirt niru nitb niti nito nitr niur nnit nnnn nnot nnpi nnpr nntn nobi nobo nobu noib noin noio noir noit non- noni nonn nono nont nonu noo- noob noon nooo noop noor noot nor- norb nori norn noro norr nort not- noti noto nott noun noup nour nout npin npri nprt nptn nron nrpn ntnu ntop ntru ntto nttr ntui nubi nuin nuit nunn nuno nunt nuon nuri nurn nurp nurr nurt nuru nutt nutu obbo obin obit oboi obon obor obot obri obro oiii oint oion oirt oiti onir onit onni onno onon onor onpt onpu ont- onti onto onup onur onut oobi oont oooo oort ootb ootp opii opin opio opit opo- opon opor oppi oppo opti optn opto orbb orbi orbo orbu ori- orin orio orit orni orno oro- oron oror orot orpi orri orro orto orub orup otin otit oto- oton otoo otor otpp otro otti otto ottu otur ouii ouin ouir ouit oun- our- ourn ouro ourt out- outb outi outo ouu- pibb pibi piip pini pinn pino pinp pint pinu piob pion piot pipi pipo pipp piri pirn piro pirr piru piti pito pitr pitt pitu pnin pnon pnot pnpo pnpp pnro pntr pnup pobo poin poio poni pono ponp pont poon poop poor poot pop- popi popo popp popt porb pori porn poro porr port poti poto pott potu poui poun poup pour pout ppib pppn pppo pppp ppru pptn pptt ppur pri- prii prin prnp pro- prob pron proo prop prot prou prri prti prtp prtr