b-p bbb bbi bbn bbo bbp bbr bbs bbt bi- bib bii bin bio bip bir bis bit bnb bni bnn bno bnp bnr bns bnt bob boi bon boo bop bor bos bot bpb bpi bpn bpo bpp bpr bps bpt brb bri brn bro brp brr brs brt bsb bsi bsn bso bsp bsr bss bst btb bti btn bto btp btr bts btt ibb ibi ibn ibo ibp ibr ibs ibt iib iii iin iio iip iir iis iit in- inb ini inn ino inp inr ins int io- iob ioi ion ioo iop ior ios iot ipb ipi ipn ipo ipp ipr ips ipt ir- irb iri irn iro irp irr irs irt is- isb isi isn iso isp isr iss ist itb iti itn ito itp its itt n-i nbb nbi nbn nbo nbp nbr nbs nbt nib nii nin nio nip nir nis nit nnb nni nnn nno nnp nns nnt no- nob noi non noo nop nor nos not npb npi npn npo npp npr nps npt nrb nri nrn nro nrp nrr nrs nrt nsb nsi nsn nso nsp nsr nss nst ntb nti ntn nto ntp ntr nts ntt o-i ob- obb obi obn obo obp obr obs obt oib oii oin oio oip oir ois oit on- onb oni onn ono onp onr ons ont oo- oob ooi oon ooo oop oor oos oot op- opb opi opn opo opp opr ops opt or- orb ori orn oro orp orr ors ort os- osb osi osn oso osp osr oss ost ot- otb oti otn oto otp otr ots ott p-p pbb pbi pbn pbo pbp pbr pbs pbt pib pii pin pio pip pir pis pit pn- pnb pni pnn pno pnp pnr pns pnt pob poi pon poo pop por pos pot ppb ppi ppn ppo ppp ppr pps ppt prb pri prn pro prp prr prs prt ps- psb psi psn pso psp psr pss pst pt- ptb pti ptn pto ptp ptr pts ptt rbb rbi rbn rbo rbp rbr rbs rbt rib rii rin rio rip rir ris rit rnb rni rnn rno rnp rnr rns rnt rob roi ron roo rop ror ros rot rpb rpi rpn rpo rpp rpr rps rpt rrb rri rrn rrp rrr rrs rrt rsb rsi rsn rso rsp rsr rss rst rtb rti rtn rto rtp rtr rts rtt sbb sbi sbn sbo sbp sbr sbs sbt sib sii sin sio sip sir sis sit snb sni snn sno snp snr sns snt sob soi son soo sop sor sos sot spb spi spn spo spp spr sps spt sr- srb sri srn sro srp srr srs srt ss- ssb ssi ssn sso ssp ssr sss sst stb sti stn sto stp str sts stt tbb tbi tbn tbo tbp tbr tbs tbt tib tii tin tio tip tir tis tit tnb tni tnn tno tnp tnr tns tnt to- tob toi ton too top tor tos tot tpb tpi tpn tpo tpp tpr tps tpt trb tri trn tro trp trr trs trt tsb tsi tsn tso tsp tsr tss tst ttb tti ttn tto ttp ttr tts ttt

bbbb bbbs bbin bbpr bibb bibi bibo bibs biin biis bin- bini binn bino bins bint bio- bioi bion bios biot bipp bips birb biri birn biro birr birs birt bis- biso bisp biss bist bito bits bitt bnib bnin bnor bnpp bnrr bnss bobb bobi bobo bobs boi- boii boin bois boit boni bonn bono bons bont boob boon boop boor boos boot bopp bops bor- bori born boro borr bors bort bosi bosn boso boss bost botb boti botn boto bots bott bpot bpti brin brio bris brit brno brns brob bron broo bror bros brot brrr brrs brsb brsr brst bsin bsns bson bsos bspp bspr bsts btbp btob btor btps btrt btss bttb i-no ibis ibns ibon ibos ibot ibri ibro ibsn ibss ibtb ibts iiii iiio iiis iiit iino iioi iioo iiop iios iirs iisi iisp iisr iist iitr iitt inbo inis init inni inno innr inns ino- inoi inon inor inos inot inp- inpi inpp inpt inri inro inrs inso insp inss inst inti intn into intp intr ints iobi ioii ioio ioit ioni ionn iono ions iooi iooo ioos iops iori iors ioso ioto ipin ipop ipos ippo ippr ipri ipsi ipso ipsp ipss ipto ipts irbp iri- irin irio irip iris irob iron irop irps irri irrs irsp irti irtp irts isbn isbt isin isis isit isno isnt iso- ison isop isor isos ispr isps isri isrp issi isso issp issr isss isti isto istp istr ists itbs itin itis itno itoi iton itoo itor itos itri itrs itsi itso itsp itto n-ii nbbo nbpp nbps nbsp nbti nibi nibo nibs niip niir niit nini nino nins nion nioo nios nipr nips nipt niro nirs nirt nisi niso nisp niss nist nitb niti nito nitr nits nnit nnnn nnos nnot nnpi nnpr nnss nntn nobi nobo nobs noib noin noio noir nois noit non- noni nonn nono nons nont noo- noob noon nooo noop noor noos noot nops nor- norb nori norn noro norr nors nort nos- noss nost not- noti noto nots nott npin npri nprt npss nptn nron nrpn nrps nrsp nrts nsbo nsin nsis nsnr nsos nspi nsps nssb nsso nssp nssr nsss nstp nsts ntis ntop ntsb ntss ntto nttr obbo obin obis obit oboi obon obor obos obot obri obro obsn obsr obss obst obts oiii oins oint oion oios oirt oist oiti onir onis onit onni onno onon onor onos onpt onso onst ont- onti onto oobi oons oont oooo ooos oops oort oosi oost ootb ootp oots opii opin opio opis opit opo- opon opor opos oppi oppo opps opsi opti optn opto opts orbb orbi orbo orbs ori- orin orio oris orit orni orno orns oro- oron oror oros orot orpi orps orri orro orrs orsi orso orto orts osbp osii osin