-ol -th bbb bbh bbl bbn bbo bbr bbt bhb bhh bhl bho bhr bht blb blh bll bln blo blr blt bnb bnl bnn bno bnr bnt bob boh bol bon boo bor bot brb brh brl brn bro brr brt btb bth btl btn bto btr btt hbb hbh hbl hbn hbo hbr hbt hhb hhh hhl hhn hho hhr hht hlb hlh hll hln hlo hlr hlt hnb hnh hnl hnn hno hnt hob hoh hol hon hoo hor hot hr- hrb hrh hrl hrn hro hrr hrt htb hth htl htn hto htr htt lbb lbh lbl lbo lbr lbt lhb lhh lho lhr lht llb lll lln llo llr llt lnb lnh lnl lnn lno lnr lnt lob loh lol lon loo lor lot lrb lrh lrn lro lrr lrt ltb lth ltl lto ltr ltt nbb nbl nbn nbo nbr nbt nhb nhh nhl nhn nhr nht nlb nlh nll nln nlo nlr nlt nnb nnh nnl nnn nno nnt no- nob noh nol non noo nor not nrb nrl nrn nro nrr nrt ntb nth ntn nto ntr ntt ob- obb obh obl obn obo obr obt ohh ohl ohn oho ohr oht olb oll oln olo olt on- onb onh onl onn ono onr ont oo- oob ooh ool oon ooo oor oot or- orb orh orl orn oro orr ort ot- otb oth otl otn oto otr ott rbb rbh rbl rbn rbo rbr rbt rh- rhb rhh rhl rhn rho rhr rht rlh rll rln rlo rlr rlt rnb rnh rnn rno rnr rnt rob roh rol ron roo ror rot rrb rrh rrl rrn rrr rrt rtb rtl rtn rto rtr rtt tbb tbh tbl tbn tbo tbr tbt th- thb thh thl thn tho thr tht tlh tll tln tlo tlr tlt tnb tnh tnl tnn tno tnr tnt to- tob toh tol ton too tor tot trb trh trl trn tro trr trt ttb tth ttl ttn tto ttr ttt