-ic -ol b-p bbb bbc bbe bbi bbl bbo bbp bbx bcb bcc bce bci bcl bco bcp bcx be- beb bec bee bei bel beo bep bex bi- bib bic bie bii bil bio bip bix blb blc ble bli bll blo blp blx bob boc boe boi bol boo bop box bpb bpc bpe bpi bpl bpo bpp bpx bxb bxi bxl bxo bxx c-- cbb cbc cbe cbi cbl cbo cbp cbx ccb ccc cce cci ccl cco ccp ccx ce- ceb cec cee cei cel ceo cep cex ci- cib cic cie cii cil cio cip cix cl- clb clc cle cli cll clo clp clx co- cob coc coe coi col coo cop cox cpb cpc cpe cpi cpl cpo cpp cpx cxc cxi cxl cxo cxp cxx ebb ebc ebe ebi ebl ebo ebp ebx ec- ecb ecc ece eci ecl eco ecx eeb eec eee eel eeo eep eex eib eic eie eii eil eio eip eix elb elc ele eli ell elo elp elx eo- eob eoc eoe eoi eol eoo eop ep- epb epc epe epi epl epo epp epx ex- exc exe exi exl exo exp exx ibb ibc ibe ibi ibl ibo ibp ibx icb icc ice ici icl ico icp ie- iec iee iei iel iep iex iib iic iie iii iil iio iip iix il- ilb ilc ile ili ill ilo ilp ilx io- iob ioc ioe ioi iol ioo iop ipb ipc ipe ipi ipl ipo ipp ipx ixc ixe ixi ixl l-p lbb lbc lbe lbi lbl lbo lbp lbx lcb lcc lce lci lcl lco lcp lcx leb lec lee lei lel leo lep lex lib lic lie lii lil lio lip lix llb llc lle lli lll llo llp lob loc loe loi lol loo lop lox lpb lpc lpe lpi lpl lpo lpp lpx lxc lxi lxo lxx o-i ob- obb obc obe obi obl obo obp obx oc- ocb occ oci ocl oco ocp ocx oeb oec oee oei oel oeo oep oex oib oic oie oii oil oio oip olb olc ole oli oll olo olp oo- oob ooc ooi ool ooo oop oox op- opb opc ope opi opl opo opp opx ox- oxb oxc oxi oxo oxx p-p pbb pbc pbe pbi pbl pbo pbp pbx pcb pcc pce pci pcl pco pcp pcx peb pec pee pei pel peo pep pex pib pic pie pii pil pio pip pix plb plc ple pli pll plo plp plx pob poc poe poi pol poo pop pox ppb ppc ppe ppi ppl ppo ppp ppx pxc pxe pxl xbc xbe xbl xbx xcb xci xcl xcp xcx xee xel xep xex xic xie xii xio xix xlb xli xoc xoi xoo xop xox xpb xpc xpe xpl xpo xpp xxi xxl xxo xxp xxx