-er -ic b-u bbb bbc bbe bbg bbh bbi bbr bbu bcb bcc bce bcg bch bci bcr bcu bcz be- beb bec bee beg beh bei ber beu bez bgb bgc bge bgg bgh bgi bgr bgu bgz bhb bhc bhe bhg bhh bhi bhr bhu bi- bib bic bie big bih bii bir biu biz brb bre brg brh bri brr bru brz bub buc bue bug buh bui bur buu buz bze bzh bzr bzu bzz c-- cbb cbc cbe cbg cbh cbi cbr cbu cbz ccb ccc cce ccg cch cci ccr ccu ccz ce- ceb cec cee ceg ceh cei cer ceu cez cgb cgc cge cgg cgh cgi cgr cgu ch- chb chc che chg chh chi chr chu chz ci- cib cic cie cig cih cii cir ciu crb crc cre crg crh cri crr cru crz cub cuc cue cug cuh cui cur cuu cuz cz- czc cze ebb ebc ebe ebg ebh ebi ebr ebu ec- ecb ecc ece ecg ech eci ecr ecu eeb eec eee eeg eer egb egc ege egg egh egi egr egu ehb ehc ehe ehg ehh ehi ehr ehu eib eic eie eig eii eir eiu erb erc ere erg erh eri err eru erz eu- eub euc eue eug eui eur eze ezh ezr ezz gbc gbe gbg gbh gbi gbr gbu gbz gcb gcc gce gcg gch gci gcr gcu ge- geb gec gee geg geh gei ger geu gez ggb ggc ggg ggh ggi ggr ggu ggz ghb ghc ghe ghg ghh ghi ghr ghz gib gic gie gig gih gii gir giu giz grb grc gre grg grh gri grr gru gu- gub guc gue gug gui gur guu guz gzr gzu h-i hbb hbc hbe hbg hbh hbi hbr hbu hbz hcb hcc hce hcg hch hci hcr he- heb hec hee heg heh hei her heu hez hgb hgc hge hgg hgh hgi hgr hgu hhb hhc hhe hhg hhh hhi hhr hhu hhz hib hic hie hig hih hii hir hiu hr- hrb hrc hre hrg hrh hri hrr hru hrz hub huc hue hug huh hui hur huu huz hze ibb ibc ibe ibg ibh ibi ibr ibu ibz icb icc ice icg ich ici icr icu icz ie- iec iee ieg iei ier igb igc ige igg igh igi igr igu ihb ihc ihe ihg ihh ihi ihr ihu iib iic iie iih iii iir iiu ir- irb irc ire irg iri irr iru iu- iub iuc iue iug iui iur iuz ize izh izi izu izz rbb rbc rbe rbg rbh rbi rbr rbu rcb rcc rce rcg rch rci rcr rcu re- reb rec ree reg reh rei rer reu rez rgb rgc rge rgg rgh rgi rgr rh- rhb rhc rhe rhg rhh rhi rhr rhu rib ric rie rig rih rii rir riz rrb rrc rrg rrh rri rrr rru rub ruc rue rug ruh rui rur ruu ruz rzb rze ubb ubc ube ubg ubh ubi ubr ubu ucb ucc uce ucg uch uci ucr ucu ueb uec uee ueg ueh uei uer ugb ugc uge ugg ugh ugi ugr ugu uhb uhc uhe uhh uhi uhr uhu uib uic uie uig uii uir uiu ur- urb urc ure urg uri urr uru urz uuc uue uug uur uuu uzb uzh uzi uzu z-g zbb zbc zbr zce zeb zec zee zeh zer zez zgb zgg zgi zhc zhe zhi zhr zhu zib zie zig zir ziz zrh zub zuc zug zui zur zuz zzr zzz