-er -ic -ol bbb bbc bbe bbg bbh bbi bbl bbo bbr bcb bcc bce bcg bch bci bcl bco bcr be- beb bec bee beg beh bei bel beo ber bgb bgc bge bgg bgh bgi bgl bgo bgr bhb bhc bhe bhg bhh bhi bhl bho bhr bi- bib bic bie big bih bii bil bio bir blb blc ble blg blh bli bll blo blr bob boc boe bog boh boi bol boo bor brb bre brg brh bri brl bro brr c-- cbb cbc cbe cbg cbh cbi cbl cbo cbr ccb ccc cce ccg cch cci ccl cco ccr ce- ceb cec cee ceg ceh cei cel ceo cer cgb cgc cge cgg cgh cgi cgl cgo cgr ch- chb chc che chg chh chi chl cho chr ci- cib cic cie cig cih cii cil cio cir cl- clb clc cle clg clh cli cll clo clr co- cob coc coe cog coh coi col coo cor crb crc cre crg crh cri crl cro crr ebb ebc ebe ebg ebh ebi ebl ebo ebr ec- ecb ecc ece ecg ech eci ecl eco ecr eeb eec eee eeg eel eeo eer egb egc ege egg egh egi egl ego egr ehb ehc ehe ehg ehh ehi ehl eho ehr eib eic eie eig eii eil eio eir elb elc ele elg elh eli ell elo elr eo- eob eoc eoe eog eoh eoi eol eoo eor erb erc ere erg erh eri erl ero err gbc gbe gbg gbh gbi gbl gbo gbr gcb gcc gce gcg gch gci gcl gco gcr ge- geb gec gee geg geh gei gel geo ger ggb ggc ggg ggh ggi ggo ggr ghb ghc ghe ghg ghh ghi ghl gho ghr gib gic gie gig gih gii gil gio gir glb glc gle glg glh gli gll glo glr gob goc goe gog goh goi gol goo gor grb grc gre grg grh gri grl gro grr h-i hbb hbc hbe hbg hbh hbi hbl hbo hbr hcb hcc hce hcg hch hci hcl hco hcr he- heb hec hee heg heh hei hel heo her hgb hgc hge hgg hgh hgi hgl hgo hgr hhb hhc hhe hhg hhh hhi hhl hho hhr hib hic hie hig hih hii hil hio hir hlb hlc hle hlg hlh hli hll hlo hlr hob hoc hoe hog hoh hoi hol hoo hor hr- hrb hrc hre hrg hrh hri hrl hro hrr ibb ibc ibe ibg ibh ibi ibl ibo ibr icb icc ice icg ich ici icl ico icr ie- iec iee ieg iei iel ier igb igc ige igg igh igi igl igo igr ihb ihc ihe ihg ihh ihi ihl iho ihr iib iic iie iih iii iil iio iir il- ilb ilc ile ilg ilh ili ill ilo ilr io- iob ioc ioe iog ioh ioi iol ioo ior ir- irb irc ire irg iri irl iro irr lbb lbc lbe lbg lbh lbi lbl lbo lbr lcb lcc lce lcg lch lci lcl lco lcr leb lec lee leg leh lei lel leo ler lgb lgc lge lgg lgh lgi lgl lgo lgr lhb lhc lhh lhi lho lhr lib lic lie lig lih lii lil lio lir llb llc lle llg lli lll llo llr lob loc loe log loh loi lol loo lor lrb lrc lrg lrh lri lro lrr o-i ob- obb obc obe obg obh obi obl obo obr oc- ocb occ ocg och oci ocl oco ocr oeb oec oee oeg oeh oei oel oeo oer ogc oge ogg ogh ogi ogl ogo ohc ohe ohg ohh ohi ohl oho ohr oib oic oie oii oil oio oir olb olc ole olg oli oll olo oo- oob ooc oog ooh ooi ool ooo oor or- orb orc ore org orh ori orl oro orr rbb rbc rbe rbg rbh rbi rbl rbo rbr rcb rcc rce rcg rch rci rcl rco rcr re- reb rec ree reg reh rei rel reo rer rgb rgc rge rgg rgh rgi rgo rgr rh- rhb rhc rhe rhg rhh rhi rhl rho rhr rib ric rie rig rih rii ril rio rir rlc rle rlg rlh rli rll rlo rlr rob roc roe rog roh roi rol roo ror rrb rrc rrg rrh rri rrl rrr