-ol b-p bbb bbi bbk bbl bbo bbp bbr bbs bbt bi- bib bii bik bil bio bip bir bis bit bkb bkk bkl bko bkp bkr bks bkt blb bli blk bll blo blp blr bls blt bob boi bok bol boo bop bor bos bot bpb bpi bpl bpo bpp bpr bps bpt brb bri brk brl bro brp brr brs brt bsb bsi bsk bsl bso bsp bsr bss bst btb bti btk btl bto btp btr bts btt ibb ibi ibk ibl ibo ibp ibr ibs ibt iib iii iil iio iip iir iis iit ikb iki ikk ikl iko ikr iks ikt il- ilb ili ilk ill ilo ilp ilr ils ilt io- iob ioi iol ioo iop ior ios iot ipb ipi ipl ipo ipp ipr ips ipt ir- irb iri irk irl iro irp irr irs irt is- isb isi isk isl iso isp isr iss ist itb iti itk itl ito itp its itt k-t kbb kbi kbk kbl kbo kbp kbr kbs kib kii kik kil kio kip kir kis kit kkb kki kkk kkl kkp kkr kks kkt kl- klb kli klo klr kls klt kob koi kok kol koo kop kor kos kot kpi kpk kpl kpo kpp kpr kps kpt kri krk krl kro krp krr krs krt ksb ksi ksk ksl kso ksp ksr kss kst ktb ktk ktl kto ktp ktr kts ktt l-p lbb lbi lbk lbl lbo lbp lbr lbs lbt lib lii lik lil lio lip lir lis lit lkb lkl lkp lkr lks lkt llb lli llk lll llo llp llr lls llt lob loi lok lol loo lop lor los lot lpb lpi lpk lpl lpo lpp lpr lps lpt lrb lri lrk lro lrp lrr lrs lrt lsb lsi lsk lsl lso lsp lsr lss lst ltb lti ltk ltl lto ltp ltr lts ltt o-i ob- obb obi obk obl obo obp obr obs obt oib oii oik oil oio oip oir ois oit okb oki okk okl oko okp okr oks olb oli olk oll olo olp ols olt oo- oob ooi ook ool ooo oop oor oos oot op- opb opi opk opl opo opp opr ops opt or- orb ori ork orl oro orp orr ors ort os- osb osi osk osl oso osp osr oss ost ot- otb oti otk otl oto otp otr ots ott p-p pbb pbi pbk pbl pbo pbp pbr pbs pbt pib pii pik pil pio pip pir pis pit pkb pki pkl pko pkp pkr pks pkt plb pli plk pll plo plp plr pls plt pob poi pok pol poo pop por pos pot ppb ppi ppk ppl ppo ppp ppr pps ppt prb pri prk prl pro prp prr prs prt ps- psb psi psk psl pso psp psr pss pst pt- ptb pti ptk ptl pto ptp ptr pts ptt rbb rbi rbk rbl rbo rbp rbr rbs rbt rib rii rik ril rio rip rir ris rit rkb rkk rko rkp rks rkt rli rll rlo rlp rlr rls rlt rob roi rok rol roo rop ror ros rot rpb rpi rpk rpl rpo rpp rpr rps rpt rrb rri rrk rrl rrp rrr rrs rrt rsb rsi rsk rsl rso rsp rsr rss rst rtb rti rtk rtl rto rtp rtr rts rtt sbb sbi sbk sbl sbo sbp sbr sbs sbt sib sii sik sil sio sip sir sis sit sk- skb ski skk skl sko skp skr sks skt slb sli slk sll slo slp slr sls slt sob soi sok sol soo sop sor sos sot spb spi spk spl spo spp spr sps spt sr- srb sri srk srl sro srp srr srs srt ss- ssb ssi ssk ssl sso ssp ssr sss sst stb sti stk stl sto stp str sts stt tbb tbi tbk tbl tbo tbp tbr tbs tbt tib tii tik til tio tip tir tis tit tkb tkk tkl tko tkp tkr tks tkt tli tlk tll tlo tlp tlr tls tlt to- tob toi tok tol too top tor tos tot tpb tpi tpk tpl tpo tpp tpr tps tpt trb tri trk trl tro trp trr trs trt tsb tsi tsk tsl tso tsp tsr tss tst ttb tti ttk ttl tto ttp ttr tts ttt

bbbb bbbs bblb bbls bbpr bibb bibi bibl bibo bibs biis biko bili bilk bill bilo bils bilt bio- bioi biol bios biot bipp bips birb biri birk birl biro birr birs birt bis- bisk bisl biso bisp biss bist bito bits bitt bkpr bkpt bksp blbt blik blio blip blir blis blit blkb blls blob blok bloo blop blot blsp blss blst blts bobb bobi bobo bobs boi- boii boil bois boit boki boko boks boli bolk boll bolo bols bolt boob book bool boop boor boos boot bopp bops bor- bori bork boro borr bors bort bosi bosk boso boss bost botb boti boto bots bott bpot bpti brik bril brio bris brit brkb brlp brls brob brok brol broo bror bros brot brrr brrs brsb brsr brst bskt bsos bspp bspr bsts btbp btlp btob btor btps btrt btss bttb ibis ibos ibot ibri ibro ibss ibtb ibtl ibts iiii iiio iiis iiit iioi iioo iiop iios iirs iisi iisp iisr iist iitr iitt ikki ikko ikoo ikri ilio ilir ilis ilit ilki ilks ill- illi illo illp ills illt ilok iloo ilos ilot ilpr ilts iobi ioii ioio ioit ioko iolo iooi iooo ioos iopl iops iori iors ioso ioto ipbk ipil ipko iplo ipop ipos ippo ippr ipri ipsi ipso ipsp ipss ipto ipts irbp iri- iril irio irip iris irki irks irlb irob irop irps irri irrs irsp irti irtp irts isbl isbt isil isis isit isko isls iso- isok isol isop isor isos ispr isps isri isrp issi isso issp issr isss isti isto istp istr ists itbs itil itis itko itll itoi itol itoo itor itos itri itrs itsi