-ol -th bbb bbh bbi bbl bbo bbr bbt bhb bhh bhi bhl bho bhr bht bi- bib bih bii bil bio bir bit blb blh bli bll blo blr blt bob boh boi bol boo bor bot brb brh bri brl bro brr brt btb bth bti btl bto btr btt h-i hbb hbh hbi hbl hbo hbr hbt hhb hhh hhi hhl hho hhr hht hib hih hii hil hio hir hit hlb hlh hli hll hlo hlr hlt hob hoh hoi hol hoo hor hot hr- hrb hrh hri hrl hro hrr hrt htb hth hti htl hto htr htt ibb ibh ibi ibl ibo ibr ibt ihb ihh ihi ihl iho ihr iht iib iih iii iil iio iir iit il- ilb ilh ili ill ilo ilr ilt io- iob ioh ioi iol ioo ior iot ir- irb iri irl iro irr irt itb ith iti itl ito itt lbb lbh lbi lbl lbo lbr lbt lhb lhh lhi lho lhr lht lib lih lii lil lio lir lit llb lli lll llo llr llt lob loh loi lol loo lor lot lrb lrh lri lro lrr lrt ltb lth lti ltl lto ltr ltt o-i ob- obb obh obi obl obo obr obt ohh ohi ohl oho ohr oht oib oii oil oio oir oit olb oli oll olo olt oo- oob ooh ooi ool ooo oor oot or- orb orh ori orl oro orr ort ot- otb oth oti otl oto otr ott rbb rbh rbi rbl rbo rbr rbt rh- rhb rhh rhi rhl rho rhr rht rib rih rii ril rio rir rit rlh rli rll rlo rlr rlt rob roh roi rol roo ror rot rrb rrh rri rrl rrr rrt rtb rti rtl rto rtr rtt tbb tbh tbi tbl tbo tbr tbt th- thb thh thi thl tho thr tht tib tih tii til tio tir tit tlh tli tll tlo tlr tlt to- tob toh toi tol too tor tot trb trh tri trl tro trr trt ttb tth tti ttl tto ttr ttt