-er -ic b-u bbb bbc bbe bbi bbk bbr bbu bbw bcb bcc bce bci bck bcr bcu bcz be- beb bec bee bei bek ber beu bew bez bi- bib bic bie bii bik bir biu biw biz bkb bkc bke bkk bkr bkw brb bre bri brk brr bru brw brz bub buc bue bui buk bur buu buw buz bwb bwc bwi bwk bwr bwu bze bzr bzu bzz c-- cbb cbc cbe cbi cbk cbr cbu cbw cbz ccb ccc cce cci cck ccr ccu ccw ccz ce- ceb cec cee cei cek cer ceu cew cez ci- cib cic cie cii cik cir ciu ciw ckb ckc cki ckw crb crc cre cri crk crr cru crw crz cub cuc cue cui cuk cur cuu cuw cuz cw- cwb cwc cwe cwi cwk cwr cwu cz- czc cze czk czw ebb ebc ebe ebi ebk ebr ebu ebw ec- ecb ecc ece eci eck ecr ecu ecw eeb eec eee eek eer eew eib eic eie eii eik eir eiu ekb ekc eke eki ekr eku erb erc ere eri erk err eru erw erz eu- eub euc eue eui eur ewb ewc ewe ewi ewk ewr ewu eww eze ezr ezz ibb ibc ibe ibi ibk ibr ibu ibw ibz icb icc ice ici ick icr icu icw icz ie- iec iee iei iek ier iib iic iie iii iir iiu iiw ikb ikc ike iki ikk ikr iku ir- irb irc ire iri irk irr iru iu- iub iuc iue iui iur iuz iwb iwc iwe iwi iwk iwr iwu iww iwz ize izi izu izz k-z kbb kbc kbe kbi kbk kbr kbu kbw kbz kcb kcc kce kci kck kcr kcu ke- keb kec kee kei kek ker kew kez kib kic kie kii kik kir kiu kiz kkb kkc kke kki kkk kkr kku krc kri krk krr kru krw kub kuc kue kui kuk kur kuu kw- kwc kwi kwk kww kzw rbb rbc rbe rbi rbk rbr rbu rbw rcb rcc rce rci rcr rcu rcw re- reb rec ree rei rek rer reu rew rez rib ric rie rii rik rir riz rkb rkc rke rkk rku rkz rrb rrc rri rrk rrr rru rub ruc rue rui ruk rur ruu ruz rwb rwc rwe rwi rwr rwu rzb rze ubb ubc ube ubi ubk ubr ubu ubw ucb ucc uce uci uck ucr ucu ucw ueb uec uee uei uer uew uib uic uie uii uir uiu ukb ukc uke uki ukk ukr uku ukz ur- urb urc ure uri urk urr uru urw urz uuc uue uur uuu uwb uwc uwe uwr uww uzb uzi uzu wbb wbc wbe wbi wbr wbw wbz wcb wcc wce wci wck wcr wcu wcw web wec wee wei wek wer wew wez wib wic wie wii wik wir wiu wiz wkb wkc wke wkr wkw wr- wrc wre wri wrk wrr wru wrw wub wuc wue wur wuz wwc wwe wwi wwu www wzc wzu zbb zbc zbr zbw zce zeb zec zee zek zer zez zib zie zik zir ziw ziz zub zuc zui zuk zur zuz zzr zzz