-er -ic -ji -ol bbb bbc bbe bbg bbi bbl bbo bbr bcb bcc bce bcg bci bcj 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 bij bil bio bir bjc bjg bji bjj bjr blb blc ble blg bli blj bll blo blr bob boc boe bog boi boj bol boo bor brb bre brg bri brj brl bro brr c-- c-j cbb cbc cbe cbg cbi cbj cbl cbo cbr ccb ccc cce ccg cci ccj ccl cco ccr ce- ceb cec cee ceg cei cej cel ceo cer cgb cgc cge cgg cgi cgl cgo cgr ci- cib cic cie cig cii cij cil cio cir cjb cjc cjg cjr cl- clb clc cle clg cli clj cll clo clr co- cob coc coe cog coi coj col coo cor crb crc cre crg cri crj crl cro crr ebb ebc ebe ebg ebi ebj ebl ebo ebr ec- ecb ecc ece ecg eci ecj ecl eco ecr eeb eec eee eeg eel eeo eer egb egc ege egg egi egl ego egr eib eic eie eig eii eij eil eio eir ejc eji ejl ejo 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 gbj gbl gbo gbr gcb gcc gce gcg gci gcl gco gcr ge- geb gec gee geg gei gel geo ger ggb ggc ggg ggi ggj ggo ggr gib gic gie gig gii gij gil gio gir gjc gje gjg gjr glb glc gle glg gli glj gll glo glr gob goc goe gog goi gol goo gor grb grc gre grg gri grj grl gro grr ibb ibc ibe ibg ibi ibj ibl ibo ibr icb icc ice icg ici icj icl ico icr ie- iec iee ieg iei iej iel ier igb igc ige igg igi igl igo igr iib iic iie iii iij iil iio iir ijb ijc ije ijg iji ijl ijo il- ilb ilc ile ilg ili ill ilo ilr io- iob ioc ioe iog ioi ioj iol ioo ior ir- irb irc ire irg iri irj irl iro irr j-i jbc jbg jbi jbj jbl jbo jbr jcb jcc jce jci jcl jco jcr jeb jec jee jeg jei jej jel jeo jer jgb jge jgi jgo jgr jib jic jie jig jii jij jil jio jir jjb jjc jjg jjj jjl jjr jlb jlc jle jlg jli jll jlo jlr job joc joe jog joi joj jol joo jor jrb jrc jrg jri jrl jro jrr lbb lbc lbe lbg lbi lbj lbl lbo lbr lcb lcc lce lcg lci lcj lcl lco lcr leb lec lee leg lei lej lel leo ler lgb lgc lge lgg lgi lgj lgl lgo lgr lib lic lie lig lii lij lil lio lir lje ljj llb llc lle llg lli llj lll llo llr lob loc loe log loi loj lol loo lor lrb lrc lrg lri lro lrr o-i ob- obb obc obe obg obi obj obl obo obr oc- ocb occ ocg oci ocj ocl oco ocr oeb oec oee oeg oei oel oeo oer ogc oge ogg ogi ogl ogo oib oic oie oii oil oio oir ojb ojc oje oji ojo 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 rcj 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 rjc rjg rjr rlc rle rlg rli rll rlo rlr rob roc roe rog roi roj rol roo ror rrb rrc rrg rri rrl rrr