-up b-p b-u bbb bbi bbn bbo bbp bbs bbt bbu bi- bib bii bin bio bip bis bit biu bnb bni bnn bno bnp bns bnt bnu bob boi bon boo bop bos bot bou bpb bpi bpn bpo bpp bps bpt bpu bsb bsi bsn bso bsp bss bst bsu btb bti btn bto btp bts btt btu bub bui bun buo bup bus but buu ibb ibi ibn ibo ibp ibs ibt ibu iib iii iin iio iip iis iit iiu in- inb ini inn ino inp ins int inu io- iob ioi ion ioo iop ios iot iou ipb ipi ipn ipo ipp ips ipt ipu is- isb isi isn iso isp iss ist isu itb iti itn ito itp its itt itu iu- iub iui iup ius iut n-i nbb nbi nbn nbo nbp nbs nbt nbu nib nii nin nio nip nis nit niu nnb nni nnn nno nnp nns nnt nnu no- nob noi non noo nop nos not nou npb npi npn npo npp nps npt npu nsb nsi nsn nso nsp nss nst nsu ntb nti ntn nto ntp nts ntt ntu nub nui nun nuo nup nus nut nuu o-i ob- obb obi obn obo obp obs obt obu oib oii oin oio oip ois oit oiu on- onb oni onn ono onp ons ont onu oo- oob ooi oon ooo oop oos oot op- opb opi opn opo opp ops opt os- osb osi osn oso osp oss ost osu ot- otb oti otn oto otp ots ott otu ou- oui oun ouo oup ous out p-p pbb pbi pbn pbo pbp pbs pbt pbu pib pii pin pio pip pis pit piu pn- pnb pni pnn pno pnp pns pnt pnu pob poi pon poo pop pos pot pou ppb ppi ppn ppo ppp pps ppt ppu ps- psb psi psn pso psp pss pst psu pt- ptb pti ptn pto ptp pts ptt ptu pub pui pun pup pus put puu sbb sbi sbn sbo sbp sbs sbt sbu sib sii sin sio sip sis sit siu snb sni snn sno snp sns snt snu sob soi son soo sop sos sot sou spb spi spn spo spp sps spt spu ss- ssb ssi ssn sso ssp sss sst ssu stb sti stn sto stp sts stt stu sub sui sun suo sup sus sut suu tbb tbi tbn tbo tbp tbs tbt tbu tib tii tin tio tip tis tit tiu tnb tni tnn tno tnp tns tnt to- tob toi ton too top tos tot tou tpb tpi tpn tpo tpp tps tpt tpu tsb tsi tsn tso tsp tss tst tsu ttb tti ttn tto ttp tts ttt ttu tub tui tun tuo tup tus tut tuu ubb ubi ubn ubo ubp ubs ubt ubu uib uii uin uio uip uis uit uiu un- unb uni unn uno unp uns unt unu uob uon uoo uop uos uot up- upb upi upn upo upp ups upt upu usb usi usn uso usp uss ust usu utb uti utn uto utp uts utt utu uun uus uut uuu

-ous bbbb bbbs bbin bibb bibi bibo bibs biin biis bin- bini binn bino bins bint binu bio- bioi bion bios biot biou bipp bips bipu bis- biso bisp biss bist bisu bito bits bitt bitu bnib bnin bnpp bnss bobb bobi bobo bobs bobu boi- boii boin bois boit boiu boni bonn bono bons bont bonu boob boon boop boos boot bopp bops bosi bosn boso boss bost bosu botb boti botn boto bots bott boun boup bous bout bpot bpsu bpti bsin bsns bson bsos bspp bsts bsup btbp btob btps btss bttb btus bubb bubi bubo bubs bubu buin buis buit buiu bunb buni bunn buno buns bunt bunu buon bups busi buss bust busu but- buti buto buts butt buus i-no ibis ibns ibon ibos ibot ibsn ibss ibtb ibts ibus iiii iiio iiis iiit iino iioi iioo iiop iios iisi iisp iist iisu iitt inbo inis init inni inno inns innu ino- inoi inon inos inot inou inp- inpi inpp inpt inso insp inss inst insu inti intn into intp ints intu inui inun inup inus iobi ioii ioio ioit ioni ionn iono ions iooi iooo ioos iops ioso iosu ioto ioun ious ipin ipop ipos ippo ipsi ipso ipsp ipss ipto ipts ipus iput isbn isbt isin isis isit isno isnt iso- ison isop isos isps issi isso issp isss issu isti isto istp ists isup isus itbs itin itis itno itoi iton itoo itos itou itsi itso itsp itsu itto itup iuiu iuno iupp iuss iust n-ii n-up nbbo nbpp nbps nbsp nbti nibi nibo nibs niip niit niiu nini nino nins nion nioo nios niou nips nipt nisi niso nisp niss nist nisu nitb niti nito nits nnit nnnn nnos nnot nnpi nnss nntn nobi nobo nobs nobu noib noin noio nois noit non- noni nonn nono nons nont nonu noo- noob noon nooo noop noos noot nops nos- noss nost nosu not- noti noto nots nott noun noup nous nout npin npss nptn nsbo nsin nsis nsos nsou nspi nsps nssb nsso nssp nsss nstp nsts nstu nsub ntis ntnu ntop ntsb ntss ntsu ntto ntui nubi nubs nuin nuit nunn nuno nuns nunt nuon nups nusi nuss nust nusu nuts nutt nutu obbo obin obis obit oboi obon obos obot obsn obss obst obts obus oiii oins oint oion oios oist oisu oiti onis onit onni onno onon onos onpt onpu onso onst ont- onti onto onup onus onut oobi oons oont oooo ooos oops oosi oost ootb ootp oots oous opii opin opio opis opit opo- opon opos oppi oppo opps opsi opsu opti optn opto opts opus osbp osii osin osip osis osno osoi osoo osos ossb ossi osso ossu osti osts osun otbs otin otis otit oto- oton otoo otos otpp otso otsu otti otto otts ottu otus oubs ouii ouin ouis ouit oun-