-ol b-u bbb bbg bbh bbl bbn bbo bbr bbu bgb bgg bgh bgl bgn bgo bgr bgu bhb bhg bhh bhl bho bhr bhu blb blg blh bll bln blo blr blu bnb bng bnl bnn bno bnr bnu bob bog boh bol bon boo bor bou brb brg brh brl brn bro brr bru bub bug buh bul bun buo bur buu gbg gbh gbl gbn gbo gbr gbu ggb ggg ggh ggn ggo ggr ggu ghb ghg ghh ghl ghn gho ghr glb glg glh gll gln glo glr glu gnb gnl gnn gno gnr gnu gob gog goh gol gon goo gor gou grb grg grh grl grn gro grr gru gu- gub gug gul gun guo gur guu hbb hbg hbh hbl hbn hbo hbr hbu hgb hgg hgh hgl hgn hgo hgr hgu hhb hhg hhh hhl hhn hho hhr hhu hlb hlg hlh hll hln hlo hlr hlu hnb hng hnh hnl hnn hno hnu hob hog hoh hol hon hoo hor hou hr- hrb hrg hrh hrl hrn hro hrr hru hub hug huh hul hun huo hur huu lbb lbg lbh lbl lbo lbr lbu lgb lgg lgh lgl lgn lgo lgr lgu lhb lhh lho lhr lhu llb llg lll lln llo llr llu lnb lng lnh lnl lnn lno lnr lnu lob log loh lol lon loo lor lou lrb lrg lrh lrn lro lrr lru lub lug luh lul lun luo lur luu nbb nbg nbl nbn nbo nbr nbu ngb ngg ngh ngl ngn ngo ngu nhb nhg nhh nhl nhn nhr nhu nlb nlg nlh nll nln nlo nlr nlu nnb nng nnh nnl nnn nno nnu no- nob nog noh nol non noo nor nou nrb nrg nrl nrn nro nrr nru nub nug nuh nul nun nuo nur nuu ob- obb obg obh obl obn obo obr obu ogg ogh ogl ogn ogo ohg ohh ohl ohn oho ohr ohu olb olg oll oln olo olu on- onb ong onh onl onn ono onr onu oo- oob oog ooh ool oon ooo oor or- orb org orh orl orn oro orr oru ou- ouh oul oun ouo our rbb rbg rbh rbl rbn rbo rbr rbu rgb rgg rgh rgn rgo rgr rh- rhb rhg rhh rhl rhn rho rhr rhu rlg rlh rll rln rlo rlr rlu rnb rng rnh rnn rno rnr rnu rob rog roh rol ron roo ror rou rrb rrg rrh rrl rrn rrr rru rub rug ruh run ruo rur ruu ubb ubg ubh ubl ubn ubo ubr ubu ugb ugg ugh ugl ugn ugo ugr ugu uhb uhh uhl uho uhr uhu ulb ulg ull uln ulo ulr ulu un- unb ung unh unl unn uno unr unu uob uog uol uon uoo uor ur- urb urg url urn uro urr uru uug uun uur uuu