-er -ic -ol bbb bbc bbe bbg bbi bbl bbo bbr bcb bcc bce bcg bci bcl bco bcr be- beb bec bee beg bei bel beo ber bgb bgc bge bgg bgi bgl bgo bgr bi- bib bic bie big bii bil bio bir blb blc ble blg bli bll blo blr bob boc boe bog boi bol boo bor brb bre brg bri brl bro brr c-- cbb cbc cbe cbg cbi cbl cbo cbr ccb ccc cce ccg cci ccl cco ccr ce- ceb cec cee ceg cei cel ceo cer cgb cgc cge cgg cgi cgl cgo cgr ci- cib cic cie cig cii cil cio cir cl- clb clc cle clg cli cll clo clr co- cob coc coe cog coi col coo cor crb crc cre crg cri crl cro crr ebb ebc ebe ebg ebi ebl ebo ebr ec- ecb ecc ece ecg eci ecl eco ecr eeb eec eee eeg eel eeo eer egb egc ege egg egi egl ego egr eib eic eie eig eii eil eio eir elb elc ele elg eli ell elo elr eo- eob eoc eoe eog eoi eol eoo eor erb erc ere erg eri erl ero err gbc gbe gbg gbi gbl gbo gbr gcb gcc gce gcg gci gcl gco gcr ge- geb gec gee geg gei gel geo ger ggb ggc ggg ggi ggo ggr gib gic gie gig gii gil gio gir glb glc gle glg gli gll glo glr gob goc goe gog goi gol goo gor grb grc gre grg gri grl gro grr ibb ibc ibe ibg ibi ibl ibo ibr icb icc ice icg ici icl ico icr ie- iec iee ieg iei iel ier igb igc ige igg igi igl igo igr iib iic iie iii iil iio iir il- ilb ilc ile ilg ili ill ilo ilr io- iob ioc ioe iog ioi iol ioo ior ir- irb irc ire irg iri irl iro irr lbb lbc lbe lbg lbi lbl lbo lbr lcb lcc lce lcg lci lcl lco lcr leb lec lee leg lei lel leo ler lgb lgc lge lgg lgi lgl lgo lgr lib lic lie lig lii lil lio lir llb llc lle llg lli lll llo llr lob loc loe log loi lol loo lor lrb lrc lrg lri lro lrr o-i ob- obb obc obe obg obi obl obo obr oc- ocb occ ocg oci ocl oco ocr oeb oec oee oeg oei oel oeo oer ogc oge ogg ogi ogl ogo oib oic oie oii oil oio oir olb olc ole olg oli oll olo oo- oob ooc oog ooi ool ooo oor or- orb orc ore org ori orl oro orr rbb rbc rbe rbg rbi rbl rbo rbr rcb rcc rce rcg rci rcl rco rcr re- reb rec ree reg rei rel reo rer rgb rgc rge rgg rgi rgo rgr rib ric rie rig rii ril rio rir rlc rle rlg rli rll rlo rlr rob roc roe rog roi rol roo ror rrb rrc rrg rri rrl rrr