-ic -ol bbb bbc bbi bbl bbn bbo bbr bcb bcc bci bcl bcn bco bcr bi- bib bic bii bil bin bio bir blb blc bli bll bln blo blr bnb bnc bni bnl bnn bno bnr bob boc boi bol bon boo bor brb bri brl brn bro brr c-- cbb cbc cbi cbl cbn cbo cbr ccb ccc cci ccl ccn cco ccr ci- cib cic cii cil cin cio cir cl- clb clc cli cll cln clo clr cn- cnb cnc cni cnl cnn cno cnr co- cob coc coi col con coo cor crb crc cri crl crn cro crr ibb ibc ibi ibl ibn ibo ibr icb icc ici icl icn ico icr iib iic iii iil iin iio iir il- ilb ilc ili ill iln ilo ilr in- inb inc ini inl inn ino inr io- iob ioc ioi iol ion ioo ior ir- irb irc iri irl irn iro irr lbb lbc lbi lbl lbo lbr lcb lcc lci lcl lcn lco lcr lib lic lii lil lin lio lir llb llc lli lll lln llo llr lnb lnc lni lnl lnn lno lnr lob loc loi lol lon loo lor lrb lrc lri lrn lro lrr n-i nbb nbc nbi nbl nbn nbo nbr ncb ncc nci ncl ncn nco ncr nib nic nii nil nin nio nir nlb nlc nli nll nln nlo nlr nnb nnc nni nnl nnn nno no- nob noc noi nol non noo nor nrb nrc nri nrl nrn nro nrr o-i ob- obb obc obi obl obn obo obr oc- ocb occ oci ocl ocn oco ocr oib oic oii oil oin oio oir olb olc oli oll oln olo on- onb onc oni onl onn ono onr oo- oob ooc ooi ool oon ooo oor or- orb orc ori orl orn oro orr rbb rbc rbi rbl rbn rbo rbr rcb rcc rci rcl rcn rco rcr rib ric rii ril rin rio rir rlc rli rll rln rlo rlr rnb rnc rni rnn rno rnr rob roc roi rol ron roo ror rrb rrc rri rrl rrn rrr