-ol bbb bbh bbi bbk bbl bbn bbo bbr bhb bhh bhi bhk bhl bho bhr bi- bib bih bii bik bil bin bio bir bkb bkk bkl bkn bko bkr blb blh bli blk bll bln blo blr bnb bni bnk bnl bnn bno bnr bob boh boi bok bol bon boo bor brb brh bri brk brl brn bro brr h-i hbb hbh hbi hbk hbl hbn hbo hbr hhb hhh hhi hhk hhl hhn hho hhr hib hih hii hik hil hin hio hir hkb hkh hki hkk hkl hkn hko hkr hlb hlh hli hll hln hlo hlr hnb hnh hnk hnl hnn hno hob hoh hoi hok hol hon hoo hor hr- hrb hrh hri hrk hrl hrn hro hrr ibb ibh ibi ibk ibl ibn ibo ibr ihb ihh ihi ihk ihl ihn iho ihr iib iih iii iil iin iio iir ikb iki ikk ikl iko ikr il- ilb ilh ili ilk ill iln ilo ilr in- inb inh ini ink inl inn ino inr io- iob ioh ioi iol ion ioo ior ir- irb iri irk irl irn iro irr kbb kbh kbi kbk kbl kbn kbo kbr khh khi khk khn kho khr kib kih kii kik kil kin kio kir kkb kkh kki kkk kkl kkn kkr kl- klb klh kli klo klr kn- kni knk knl knn kno knr kob koh koi kok kol kon koo kor kri krk krl krn kro krr lbb lbh lbi lbk lbl lbo lbr lhb lhh lhi lhk lho lhr lib lih lii lik lil lin lio lir lkb lkh lkl lkr llb lli llk lll lln llo llr lnb lnh lni lnk lnl lnn lno lnr lob loh loi lok lol lon loo lor lrb lrh lri lrk lrn lro lrr n-i nbb nbi nbk nbl nbn nbo nbr nhb nhh nhi nhk nhl nhn nhr nib nih nii nik nil nin nio nir nki nkk nkn nko nkr nlb nlh nli nlk nll nln nlo nlr nnb nnh nni nnk nnl nnn nno no- nob noh noi nok nol non noo nor nrb nri nrk nrl nrn nro nrr o-i ob- obb obh obi obk obl obn obo obr ohh ohi ohl ohn oho ohr oib oii oik oil oin oio oir okb oki okk okl oko okr olb oli olk oll oln olo on- onb onh oni onk onl onn ono onr oo- oob ooh ooi ook ool oon ooo oor or- orb orh ori ork orl orn oro orr rbb rbh rbi rbk rbl rbn rbo rbr rh- rhb rhh rhi rhl rhn rho rhr rib rih rii rik ril rin rio rir rkb rkk rko rlh rli rll rln rlo rlr rnb rnh rni rnn rno rnr rob roh roi rok rol ron roo ror rrb rrh rri rrk rrl rrn rrr