-er -ic bbb bbc bbe bbg bbi bbk bbr bbw bcb bcc bce bcg bci bck bcr be- beb bec bee beg bei bek ber bew bgb bgc bge bgg bgi bgk bgr bgw bi- bib bic bie big bii bik bir biw bkb bkc bke bkg bkk bkr bkw brb bre brg bri brk brr brw bwb bwc bwg bwi bwk bwr c-- cbb cbc cbe cbg cbi cbk cbr cbw ccb ccc cce ccg cci cck ccr ccw ce- ceb cec cee ceg cei cek cer cew cgb cgc cge cgg cgi cgr cgw ci- cib cic cie cig cii cik cir ciw ckb ckc cki ckw crb crc cre crg cri crk crr crw cw- cwb cwc cwe cwg cwi cwk cwr ebb ebc ebe ebg ebi ebk ebr ebw ec- ecb ecc ece ecg eci eck ecr ecw eeb eec eee eeg eek eer eew egb egc ege egg egi egr egw eib eic eie eig eii eik eir ekb ekc eke ekg eki ekr erb erc ere erg eri erk err erw ewb ewc ewe ewi ewk ewr eww gbc gbe gbg gbi gbk gbr gbw gcb gcc gce gcg gci gck gcr gcw ge- geb gec gee geg gei gek ger gew ggb ggc ggg ggi ggr ggw gib gic gie gig gii gik gir gkb grb grc gre grg gri grk grr grw gwb gwc gwe gwg gwi gwk gwr ibb ibc ibe ibg ibi ibk ibr ibw icb icc ice icg ici ick icr icw ie- iec iee ieg iei iek ier igb igc ige igg igi igk igr igw iib iic iie iii iir iiw ikb ikc ike iki ikk ikr ir- irb irc ire irg iri irk irr iwb iwc iwe iwg iwi iwk iwr iww kbb kbc kbe kbi kbk kbr kbw kcb kcc kce kcg kci kck kcr ke- keb kec kee keg kei kek ker kew kgb kgc kgi kgw kib kic kie kig kii kik kir kkb kkc kke kki kkk kkr krc krg kri krk krr krw kw- kwc kwg kwi kwk kww rbb rbc rbe rbg rbi rbk rbr rbw rcb rcc rce rcg rci rcr rcw re- reb rec ree reg rei rek rer rew rgb rgc rge rgg rgi rgk rgr rgw rib ric rie rig rii rik rir rkb rkc rke rkg rkk rrb rrc rrg rri rrk rrr rwb rwc rwe rwi rwr wbb wbc wbe wbg wbi wbr wbw wcb wcc wce wcg wci wck wcr wcw web wec wee weg wei wek wer wew wgb wgc wgi wgr wgw wib wic wie wig wii wik wir wkb wkc wke wkg wkr wkw wr- wrc wre wrg wri wrk wrr wrw wwc wwe wwi www