-ol -th bbb bbh bbi bbl bbo bbt bhb bhh bhi bhl bho bht bi- bib bih bii bil bio bit blb blh bli bll blo blt bob boh boi bol boo bot btb bth bti btl bto btt h-i hbb hbh hbi hbl hbo hbt hhb hhh hhi hhl hho hht hib hih hii hil hio hit hlb hlh hli hll hlo hlt hob hoh hoi hol hoo hot htb hth hti htl hto htt ibb ibh ibi ibl ibo ibt ihb ihh ihi ihl iho iht iib iih iii iil iio iit il- ilb ilh ili ill ilo ilt io- iob ioh ioi iol ioo iot itb ith iti itl ito itt lbb lbh lbi lbl lbo lbt lhb lhh lhi lho lht lib lih lii lil lio lit llb lli lll llo llt lob loh loi lol loo lot ltb lth lti ltl lto ltt o-i ob- obb obh obi obl obo obt ohh ohi ohl oho oht oib oii oil oio oit olb oli oll olo olt oo- oob ooh ooi ool ooo oot ot- otb oth oti otl oto ott tbb tbh tbi tbl tbo tbt th- thb thh thi thl tho tht tib tih tii til tio tit tlh tli tll tlo tlt to- tob toh toi tol too tot ttb tth tti ttl tto ttt