-er -ic -ji a-a a-b a-c a-i aaa aab aac aae aai aaj aar aau ab- aba abb abc abe abi abj abr abu ac- aca acb acc ace aci acj acr acu aea aeb aec aee aei aej aer aeu ai- aia aib aic aie aii air aiu aja ajb ajc aje aji ajj ajr aju ar- ara arb arc are ari arj arr aru au- aua aub auc aue aui auj aur b-u baa bab bac bae bai baj bar bau bba bbb bbc bbe bbi bbr bbu bca bcb bcc bce bci bcj bcr bcu be- bea beb bec bee bei ber beu bi- bia bib bic bie bii bij bir biu bja bjc bji bjj bjr bju bra brb bre bri brj brr bru bua bub buc bue bui buj bur buu c-- c-j caa cab cac cae cai caj car cau cba cbb cbc cbe cbi cbj cbr cbu cca ccb ccc cce cci ccj ccr ccu ce- cea ceb cec cee cei cej cer ceu ci- cia cib cic cie cii cij cir ciu cja cjb cjc cjr cra crb crc cre cri crj crr cru cua cub cuc cue cui cur cuu eaa eab eac eae eai eaj ear eau eba ebb ebc ebe ebi ebj ebr ebu ec- eca ecb ecc ece eci ecj ecr ecu eea eeb eec eee eer eia eib eic eie eii eij eir eiu eja ejc eji eju era erb erc ere eri err eru eu- eua eub euc eue eui euj eur ia- iaa iab iac iae iai iar iau iba ibb ibc ibe ibi ibj ibr ibu ica icb icc ice ici icj icr icu ie- iea iec iee iei iej ier iia iib iic iie iii iij iir iiu ija ijb ijc ije iji iju ir- ira irb irc ire iri irj irr iru iu- iua iub iuc iue iui iur j-i jaa jab jac jae jai jaj jar jau jba jbc jbi jbj jbr jbu jca jcb jcc jce jci jcr jcu jea jeb jec jee jei jej jer jeu jia jib jic jie jii jij jir jiu jja jjb jjc jjj jjr jju jra jrb jrc jri jrr jub jue jui jur ra- raa rab rac rae rai raj rar rau rba rbb rbc rbe rbi rbr rbu rca rcb rcc rce rci rcj rcr rcu re- rea reb rec ree rei rer reu ria rib ric rie rii rir rja rjc rjr rra rrb rrc rri rrr rru rua rub ruc rue rui rur ruu ua- uaa uab uac uae uai uaj uar uau uba ubb ubc ube ubi ubr ubu uca ucb ucc uce uci ucj ucr ucu uea ueb uec uee uei uer uia uib uic uie uii uir uiu ujc uji ur- ura urb urc ure uri urr uru uua uuc uue uur uuu