b-p bbb bbi bbk bbn bbo bbp bbr bbs bbt bi- bib bii bik bin bio bip bir bis bit bkb bkk bkn bko bkp bkr bks bkt bnb bni bnk bnn bno bnp bnr bns bnt bob boi bok bon boo bop bor bos bot bpb bpi bpn bpo bpp bpr bps bpt brb bri brk brn bro brp brr brs brt bsb bsi bsk bsn bso bsp bsr bss bst btb bti btk btn bto btp btr bts btt ibb ibi ibk ibn ibo ibp ibr ibs ibt iib iii iin iio iip iir iis iit ikb iki ikk iko ikr iks ikt in- inb ini ink 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 irk irn iro irp irr irs irt is- isb isi isk isn iso isp isr iss ist itb iti itk itn ito itp its itt k-t kbb kbi kbk kbn kbo kbp kbr kbs kib kii kik kin kio kip kir kis kit kkb kki kkk kkn kkp kkr kks kkt kn- kni knk knn kno knp knr knt kob koi kok kon koo kop kor kos kot kpi kpk kpn kpo kpp kpr kps kpt kri krk krn kro krp krr krs krt ksb ksi ksk ksn kso ksp ksr kss kst ktb ktk ktn kto ktp ktr kts ktt n-i nbb nbi nbk nbn nbo nbp nbr nbs nbt nib nii nik nin nio nip nir nis nit nki nkk nkn nko nkp nkr nks nkt nnb nni nnk nnn nno nnp nns nnt no- nob noi nok non noo nop nor nos not npb npi npn npo npp npr nps npt nrb nri nrk nrn nro nrp nrr nrs nrt nsb nsi nsk nsn nso nsp nsr nss nst ntb nti ntk ntn nto ntp ntr nts ntt o-i ob- obb obi obk obn obo obp obr obs obt oib oii oik oin oio oip oir ois oit okb oki okk oko okp okr oks on- onb oni onk onn ono onp onr ons ont oo- oob ooi ook oon ooo oop oor oos oot op- opb opi opk opn opo opp opr ops opt or- orb ori ork orn oro orp orr ors ort os- osb osi osk osn oso osp osr oss ost ot- otb oti otk otn oto otp otr ots ott p-p pbb pbi pbk pbn pbo pbp pbr pbs pbt pib pii pik pin pio pip pir pis pit pkb pki pkn pko pkp pkr pks pkt pn- pnb pni pnk pnn pno pnp pnr pns pnt pob poi pok pon poo pop por pos pot ppb ppi ppk ppn ppo ppp ppr pps ppt prb pri prk prn pro prp prr prs prt ps- psb psi psk psn pso psp psr pss pst pt- ptb pti ptk ptn pto ptp ptr pts ptt rbb rbi rbk rbn rbo rbp rbr rbs rbt rib rii rik rin rio rip rir ris rit rkb rkk rko rkp rks rkt rnb rni rnn rno rnp rnr rns rnt rob roi rok ron roo rop ror ros rot rpb rpi rpk rpn rpo rpp rpr rps rpt rrb rri rrk rrn rrp rrr rrs rrt rsb rsi rsk rsn rso rsp rsr rss rst rtb rti rtk rtn rto rtp rtr rts rtt sbb sbi sbk sbn sbo sbp sbr sbs sbt sib sii sik sin sio sip sir sis sit sk- skb ski skk sko skp skr sks skt snb sni snk snn sno snp snr sns snt sob soi sok son soo sop sor sos sot spb spi spk spn spo spp spr sps spt sr- srb sri srk srn sro srp srr srs srt ss- ssb ssi ssk ssn sso ssp ssr sss sst stb sti stk stn sto stp str sts stt tbb tbi tbk tbn tbo tbp tbr tbs tbt tib tii tik tin tio tip tir tis tit tkb tkk tko tkp tkr tks tkt tnb tni tnk tnn tno tnp tnr tns tnt to- tob toi tok ton too top tor tos tot tpb tpi tpk tpn tpo tpp tpr tps tpt trb tri trk trn tro trp trr trs trt tsb tsi tsk tsn tso tsp tsr tss tst ttb tti ttk ttn tto ttp ttr tts ttt

-nik bbbb bbbs bbin bbpr bibb bibi bibo bibs biin biis biko bin- bini bink binn bino bins bint bio- bioi bion bios biot bipp bips birb biri birk birn biro birr birs birt bis- bisk biso bisp biss bist bito bits bitt bkpr bkpt bksp bnib bnin bnor bnpp bnrr bnss bobb bobi bobo bobs boi- boii boin bois boit boki bokn boko boks boni bonk bonn bono bons bont boob book boon boop boor boos boot bopp bops bor- bori bork born boro borr bors bort bosi bosk bosn boso boss bost botb boti botn boto bots bott bpot bpti brik brin brio bris brit brkb brno brns brob brok bron broo bror bros brot brrr brrs brsb brsr brst bsin bskt 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 ikin ikki ikko ikon ikoo ikri inbo inis init inki inks 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 ioko ioni ionn iono ions iooi iooo ioos iops iori iors ioso ioto ipbk ipin ipko ipop ipos ippo ippr ipri ipsi ipso ipsp ipss ipto ipts irbp iri- irin irio irip iris irki irks irob iron irop irps irri irrs irsp irti irtp irts isbn isbt isin isis isit isko isno isnt iso- isok ison isop isor isos ispr isps isri isrp issi isso issp issr