-ol b-p bbb bbi bbk bbl bbn bbo bbp bbr bbs bbt bi- bib bii bik bil bin bio bip bir bis bit bkb bkk bkl bkn bko bkp bkr bks bkt blb bli blk bll bln blo blp blr bls blt bnb bni bnk bnl bnn bno bnp bnr bns bnt bob boi bok bol bon boo bop bor bos bot bpb bpi bpl bpn bpo bpp bpr bps bpt brb bri brk brl brn bro brp brr brs brt bsb bsi bsk bsl bsn bso bsp bsr bss bst btb bti btk btl btn bto btp btr bts btt ibb ibi ibk ibl ibn ibo ibp ibr ibs ibt iib iii iil iin iio iip iir iis iit ikb iki ikk ikl iko ikr iks ikt il- ilb ili ilk ill iln ilo ilp ilr ils ilt in- inb ini ink inl inn ino inp inr ins int io- iob ioi iol ion ioo iop ior ios iot ipb ipi ipl ipn ipo ipp ipr ips ipt ir- irb iri irk irl irn iro irp irr irs irt is- isb isi isk isl isn iso isp isr iss ist itb iti itk itl itn ito itp its itt k-t kbb kbi kbk kbl kbn kbo kbp kbr kbs kib kii kik kil kin kio kip kir kis kit kkb kki kkk kkl kkn kkp kkr kks kkt kl- klb kli klo klr kls klt kn- kni knk knl knn kno knp knr knt kob koi kok kol kon koo kop kor kos kot kpi kpk kpl kpn kpo kpp kpr kps kpt kri krk krl krn kro krp krr krs krt ksb ksi ksk ksl ksn kso ksp ksr kss kst ktb ktk ktl ktn kto ktp ktr kts ktt l-p lbb lbi lbk lbl lbo lbp lbr lbs lbt lib lii lik lil lin lio lip lir lis lit lkb lkl lkp lkr lks lkt llb lli llk lll lln llo llp llr lls llt lnb lni lnk lnl lnn lno lnp lnr lns lnt lob loi lok lol lon loo lop lor los lot lpb lpi lpk lpl lpn lpo lpp lpr lps lpt lrb lri lrk lrn lro lrp lrr lrs lrt lsb lsi lsk lsl lsn lso lsp lsr lss lst ltb lti ltk ltl lto ltp ltr lts ltt n-i nbb nbi nbk nbl nbn nbo nbp nbr nbs nbt nib nii nik nil nin nio nip nir nis nit nki nkk nkn nko nkp nkr nks nkt nlb nli nlk nll nln nlo nlp nlr nls nlt nnb nni nnk nnl nnn nno nnp nns nnt no- nob noi nok nol non noo nop nor nos not npb npi npl npn npo npp npr nps npt nrb nri nrk nrl nrn nro nrp nrr nrs nrt nsb nsi nsk nsl nsn nso nsp nsr nss nst ntb nti ntk ntn nto ntp ntr nts ntt o-i ob- obb obi obk obl obn obo obp obr obs obt oib oii oik oil oin oio oip oir ois oit okb oki okk okl oko okp okr oks olb oli olk oll oln olo olp ols olt on- onb oni onk onl onn ono onp onr ons ont oo- oob ooi ook ool oon ooo oop oor oos oot op- opb opi opk opl opn opo opp opr ops opt or- orb ori ork orl orn oro orp orr ors ort os- osb osi osk osl osn oso osp osr oss ost ot- otb oti otk otl otn oto otp otr ots ott p-p pbb pbi pbk pbl pbn pbo pbp pbr pbs pbt pib pii pik pil pin pio pip pir pis pit pkb pki pkl pkn pko pkp pkr pks pkt plb pli plk pll pln plo plp plr pls plt pn- pnb pni pnk pnl pnn pno pnp pnr pns pnt pob poi pok pol pon poo pop por pos pot ppb ppi ppk ppl ppn ppo ppp ppr pps ppt prb pri prk prl prn pro prp prr prs prt ps- psb psi psk psl psn pso psp psr pss pst pt- ptb pti ptk ptl ptn pto ptp ptr pts ptt rbb rbi rbk rbl rbn rbo rbp rbr rbs rbt rib rii rik ril rin rio rip rir ris rit rkb rkk rko rkp rks rkt rli rll rln rlo rlp rlr rls rlt rnb rni rnn rno rnp rnr rns rnt rob roi rok rol ron roo rop ror ros rot rpb rpi rpk rpl rpn rpo rpp rpr rps rpt rrb rri rrk rrl rrn rrp rrr rrs rrt rsb rsi rsk rsl rsn rso rsp rsr rss rst rtb rti rtk rtl rtn rto rtp rtr rts rtt sbb sbi sbk sbl sbn sbo sbp sbr sbs sbt sib sii sik sil sin sio sip sir sis sit sk- skb ski skk skl sko skp skr sks skt slb sli slk sll sln slo slp slr sls slt snb sni snk snl snn sno snp snr sns snt sob soi sok sol son soo sop sor sos sot spb spi spk spl spn spo spp spr sps spt sr- srb sri srk srl srn sro srp srr srs srt ss- ssb ssi ssk ssl ssn sso ssp ssr sss sst stb sti stk stl stn sto stp str sts stt tbb tbi tbk tbl tbn tbo tbp tbr tbs tbt tib tii tik til tin tio tip tir tis tit tkb tkk tkl tko tkp tkr tks tkt tli tlk tll tln tlo tlp tlr tls tlt tnb tni tnk tnl tnn tno tnp tnr tns tnt to- tob toi tok tol ton too top tor tos tot tpb tpi tpk tpl tpn tpo tpp tpr tps tpt trb tri trk trl trn tro trp trr trs trt tsb tsi tsk tsl tsn tso tsp tsr tss tst ttb tti ttk ttl ttn tto ttp ttr tts ttt