-ol bbb bbg bbi bbl bbn bbo bbr bbt bbx bgb bgg bgi bgl bgn bgo bgr bgt bgx bi- bib big bii bil bin bio bir bit bix blb blg bli bll bln blo blr blt blx bnb bng bni bnl bnn bno bnr bnt bnx bob bog boi bol bon boo bor bot box brb brg bri brl brn bro brr brt brx btb btg bti btl btn bto btr btt btx bxb bxi bxl bxn bxo bxx gbg gbi gbl gbn gbo gbr gbt gbx ggb ggg ggi ggn ggo ggr ggt gib gig gii gil gin gio gir git glb glg gli gll gln glo glr glt glx gnb gni gnl gnn gno gnr gnt gob gog goi gol gon goo gor got gox grb grg gri grl grn gro grr grt grx gtb gtg gti gtl gtn gto gtr gtt gtx gxl gxt ibb ibg ibi ibl ibn ibo ibr ibt ibx igb igg igi igl ign igo igr igt iib iii iil iin iio iir iit iix il- ilb ilg ili ill iln ilo ilr ilt ilx in- inb ing ini inl inn ino inr int inx io- iob iog ioi iol ion ioo ior iot ir- irb irg iri irl irn iro irr irt irx itb itg iti itl itn ito itt itx ixi ixl ixn lbb lbg lbi lbl lbo lbr lbt lbx lgb lgg lgi lgl lgn lgo lgr lgt lib lig lii lil lin lio lir lit lix llb llg lli lll lln llo llr llt lnb lng lni lnl lnn lno lnr lnt lob log loi lol lon loo lor lot lox lrb lrg lri lrn lro lrr lrt ltb ltg lti ltl lto ltr ltt ltx lxi lxo lxr lxx n-i nbb nbg nbi nbl nbn nbo nbr nbt nbx ngb ngg ngi ngl ngn ngo ngt nib nig nii nil nin nio nir nit nix nlb nlg nli nll nln nlo nlr nlt nlx nnb nng nni nnl nnn nno nnt no- nob nog noi nol non noo nor not nox nrb nrg nri nrl nrn nro nrr nrt nrx ntb ntg nti ntn nto ntr ntt ntx nxl nxt o-i ob- obb obg obi obl obn obo obr obt obx ogg ogi ogl ogn ogo ogt ogx oib oii oil oin oio oir oit olb olg oli oll oln olo olt on- onb ong oni onl onn ono onr ont onx oo- oob oog ooi ool oon ooo oor oot oox or- orb org ori orl orn oro orr ort orx ot- otb otg oti otl otn oto otr ott ox- oxb oxi oxn oxo oxt oxx rbb rbg rbi rbl rbn rbo rbr rbt rbx rgb rgg rgi rgn rgo rgr rgt rgx rib rig rii ril rin rio rir rit rix rlg rli rll rln rlo rlr rlt rnb rng rni rnn rno rnr rnt rob rog roi rol ron roo ror rot rox rrb rrg rri rrl rrn rrr rrt rtb rtg rti rtl rtn rto rtr rtt rtx rxr t-x tbb tbg tbi tbl tbn tbo tbr tbt tgb tgg tgi tgl tgn tgo tgr tgt tib tig tii til tin tio tir tit tix tlg tli tll tln tlo tlr tlt tlx tnb tng tni tnl tnn tno tnr tnt tnx to- tob tog toi tol ton too tor tot tox trb trg tri trl trn tro trr trt trx ttb ttg tti ttl ttn tto ttr ttt ttx txi txl txn txt xbl xbr xbx xgi xgl xii xin xio xit xix xlb xlg xli xlr xlt xno xog xoi xon xoo xor xot xox xrt xrx xti xtr xtx xxi xxl xxo xxx