-ol b-p bbb bbi bbl bbn bbo bbp bbs bbt bi- bib bii bil bin bio bip bis bit blb bli bll bln blo blp bls blt bnb bni bnl bnn bno bnp bns bnt bob boi bol bon boo bop bos bot bpb bpi bpl bpn bpo bpp bps bpt bsb bsi bsl bsn bso bsp bss bst btb bti btl btn bto btp bts btt ibb ibi ibl ibn ibo ibp ibs ibt iib iii iil iin iio iip iis iit il- ilb ili ill iln ilo ilp ils ilt in- inb ini inl inn ino inp ins int io- iob ioi iol ion ioo iop ios iot ipb ipi ipl ipn ipo ipp ips ipt is- isb isi isl isn iso isp iss ist itb iti itl itn ito itp its itt l-p lbb lbi lbl lbo lbp lbs lbt lib lii lil lin lio lip lis lit llb lli lll lln llo llp lls llt lnb lni lnl lnn lno lnp lns lnt lob loi lol lon loo lop los lot lpb lpi lpl lpn lpo lpp lps lpt lsb lsi lsl lsn lso lsp lss lst ltb lti ltl lto ltp lts ltt n-i nbb nbi nbl nbn nbo nbp nbs nbt nib nii nil nin nio nip nis nit nlb nli nll nln nlo nlp nls nlt nnb nni nnl nnn nno nnp nns nnt no- nob noi nol non noo nop nos not npb npi npl npn npo npp nps npt nsb nsi nsl nsn nso nsp nss nst ntb nti ntn nto ntp nts ntt o-i ob- obb obi obl obn obo obp obs obt oib oii oil oin oio oip ois oit olb oli oll oln olo olp ols olt on- onb oni onl onn ono onp ons ont oo- oob ooi ool oon ooo oop oos oot op- opb opi opl opn opo opp ops opt os- osb osi osl osn oso osp oss ost ot- otb oti otl otn oto otp ots ott p-p pbb pbi pbl pbn pbo pbp pbs pbt pib pii pil pin pio pip pis pit plb pli pll pln plo plp pls plt pn- pnb pni pnl pnn pno pnp pns pnt pob poi pol pon poo pop pos pot ppb ppi ppl ppn ppo ppp pps ppt ps- psb psi psl psn pso psp pss pst pt- ptb pti ptl ptn pto ptp pts ptt sbb sbi sbl sbn sbo sbp sbs sbt sib sii sil sin sio sip sis sit slb sli sll sln slo slp sls slt snb sni snl snn sno snp sns snt sob soi sol son soo sop sos sot spb spi spl spn spo spp sps spt ss- ssb ssi ssl ssn sso ssp sss sst stb sti stl stn sto stp sts stt tbb tbi tbl tbn tbo tbp tbs tbt tib tii til tin tio tip tis tit tli tll tln tlo tlp tls tlt tnb tni tnl tnn tno tnp tns tnt to- tob toi tol ton too top tos tot tpb tpi tpl tpn tpo tpp tps tpt tsb tsi tsl tsn tso tsp tss tst ttb tti ttl ttn tto ttp tts ttt