-ic -ol bbb bbc bbe bbi bbl bbo bcb bcc bce bci bcl bco bcv be- beb bec bee bei bel beo bev bi- bib bic bie bii bil bio biv blb blc ble bli bll blo blv bob boc boe boi bol boo bov bvb bvc bve bvi bvl bvo bvv c-- cbb cbc cbe cbi cbl cbo cbv ccb ccc cce cci ccl cco ccv ce- ceb cec cee cei cel ceo cev ci- cib cic cie cii cil cio civ cl- clb clc cle cli cll clo clv co- cob coc coe coi col coo cov cvb cvc cve cvi cvl cvo cvv ebb ebc ebe ebi ebl ebo ebv ec- ecb ecc ece eci ecl eco ecv eeb eec eee eel eeo eev eib eic eie eii eil eio eiv elb elc ele eli ell elo elv eo- eob eoc eoe eoi eol eoo evb evc eve evi evl evo evv i-v ibb ibc ibe ibi ibl ibo ibv icb icc ice ici icl ico icv ie- iec iee iei iel iev iib iic iie iii iil iio il- ilb ilc ile ili ill ilo ilv io- iob ioc ioe ioi iol ioo iov ivb ivc ive ivi ivl ivo ivv lbb lbc lbe lbi lbl lbo lbv lcb lcc lce lci lcl lco lcv leb lec lee lei lel leo lev lib lic lie lii lil lio liv llb llc lle lli lll llo llv lob loc loe loi lol loo lov lvb lvc lve lvi lvl lvv o-i ob- obb obc obe obi obl obo obv oc- ocb occ oci ocl oco ocv oeb oec oee oei oel oeo oib oic oie oii oil oio oiv olb olc ole oli oll olo oo- oob ooc ooi ool ooo oov ov- ovb ovc ove ovi ovl ovo ovv v-e vbc vbi vbl vbo vbv vcc vce vci vcl vco veb vec vee vei vel veo vi- vib vic vie vii vil vio viv vl- vlb vlc vle vll vlo vlv vob voc voe voi vol voo vov vvb vvc vvi vvo vvv