-ol b-p bbb bbg bbl bbo bbp bbr bbs bbt bgb bgg bgl bgo bgp bgr bgs bgt blb blg bll blo blp blr bls blt bob bog bol boo bop bor bos bot bpb bpg bpl bpo bpp bpr bps bpt brb brg brl bro brp brr brs brt bsb bsg bsl bso bsp bsr bss bst btb btg btl bto btp btr bts btt g-p gbg gbl gbo gbp gbr gbs gbt ggb ggg ggo ggp ggr ggs ggt glb glg gll glo glp glr gls glt gob gog gol goo gop gor gos got gpb gpg gpl gpo gpp gpr gps gpt grb grg grl gro grp grr grs grt gsb gsg gsl gso gsp gsr gss gst gtb gtg gtl gto gtp gtr gts gtt l-p lbb lbg lbl lbo lbp lbr lbs lbt lgb lgg lgl lgo lgp lgr lgs lgt llb llg lll llo llp llr lls llt lob log lol loo lop lor los lot lpb lpg lpl lpo lpp lpr lps lpt lrb lrg lro lrp lrr lrs lrt lsb lsg lsl lso lsp lsr lss lst ltb ltg ltl lto ltp ltr lts ltt ob- obb obg obl obo obp obr obs obt ogg ogl ogo ogp ogs ogt olb olg oll olo olp ols olt oo- oob oog ool ooo oop oor oos oot op- opb opg opl opo opp opr ops opt or- orb org orl oro orp orr ors ort os- osb osg osl oso osp osr oss ost ot- otb otg otl oto otp otr ots ott p-p pbb pbg pbl pbo pbp pbr pbs pbt pgb pgg pgl pgo pgp pgr pgs pgt plb plg pll plo plp plr pls plt pob pog pol poo pop por pos pot ppb ppg ppl ppo ppp ppr pps ppt prb prg prl pro prp prr prs prt ps- psb psg psl pso psp psr pss pst pt- ptb ptg ptl pto ptp ptr pts ptt rbb rbg rbl rbo rbp rbr rbs rbt rgb rgg rgo rgp rgr rgs rgt rlg rll rlo rlp rlr rls rlt rob rog rol roo rop ror ros rot rpb rpg rpl rpo rpp rpr rps rpt rrb rrg rrl rrp rrr rrs rrt rsb rsg rsl rso rsp rsr rss rst rtb rtg rtl rto rtp rtr rts rtt sbb sbg sbl sbo sbp sbr sbs sbt sgb sgg sgl sgo sgp sgr sgs sgt slb slg sll slo slp slr sls slt sob sog sol soo sop sor sos sot spb spg spl spo spp spr sps spt sr- srb srg srl sro srp srr srs srt ss- ssb ssg ssl sso ssp ssr sss sst stb stg stl sto stp str sts stt tbb tbg tbl tbo tbp tbr tbs tbt tgb tgg tgl tgo tgp tgr tgs tgt tlg tll tlo tlp tlr tls tlt to- tob tog tol too top tor tos tot tpb tpg tpl tpo tpp tpr tps tpt trb trg trl tro trp trr trs trt tsb tsg tsl tso tsp tsr tss tst ttb ttg ttl tto ttp ttr tts ttt