-ic -ol bbb bbc bbi bbl bbn bbo bcb bcc bci bcl bcn bco bi- bib bic bii bil bin bio blb blc bli bll bln blo bnb bnc bni bnl bnn bno bob boc boi bol bon boo c-- cbb cbc cbi cbl cbn cbo ccb ccc cci ccl ccn cco ci- cib cic cii cil cin cio cl- clb clc cli cll cln clo cn- cnb cnc cni cnl cnn cno co- cob coc coi col con coo ibb ibc ibi ibl ibn ibo icb icc ici icl icn ico iib iic iii iil iin iio il- ilb ilc ili ill iln ilo in- inb inc ini inl inn ino io- iob ioc ioi iol ion ioo lbb lbc lbi lbl lbo lcb lcc lci lcl lcn lco lib lic lii lil lin lio llb llc lli lll lln llo lnb lnc lni lnl lnn lno lob loc loi lol lon loo n-i nbb nbc nbi nbl nbn nbo ncb ncc nci ncl ncn nco nib nic nii nil nin nio nlb nlc nli nll nln nlo nnb nnc nni nnl nnn nno no- nob noc noi nol non noo o-i ob- obb obc obi obl obn obo oc- ocb occ oci ocl ocn oco oib oic oii oil oin oio olb olc oli oll oln olo on- onb onc oni onl onn ono oo- oob ooc ooi ool oon ooo