-ol b-u bbb bbh bbl bbn bbo bbu bhb bhh bhl bho bhu blb blh bll bln blo blu bnb bnl bnn bno bnu bob boh bol bon boo bou bub buh bul bun buo buu hbb hbh hbl hbn hbo hbu hhb hhh hhl hhn hho hhu hlb hlh hll hln hlo hlu hnb hnh hnl hnn hno hnu hob hoh hol hon hoo hou hub huh hul hun huo huu lbb lbh lbl lbo lbu lhb lhh lho lhu llb lll lln llo llu lnb lnh lnl lnn lno lnu lob loh lol lon loo lou lub luh lul lun luo luu nbb nbl nbn nbo nbu nhb nhh nhl nhn nhu nlb nlh nll nln nlo nlu nnb nnh nnl nnn nno nnu no- nob noh nol non noo nou nub nuh nul nun nuo nuu ob- obb obh obl obn obo obu ohh ohl ohn oho ohu olb oll oln olo olu on- onb onh onl onn ono onu oo- oob ooh ool oon ooo ou- ouh oul oun ouo ubb ubh ubl ubn ubo ubu uhb uhh uhl uho uhu ulb ull uln ulo ulu un- unb unh unl unn uno unu uob uol uon uoo uun uuu