-er -ic -ji a-a a-b a-c a-i a-t aaa aab aac aae aai aaj aar aat ab- aba abb abc abe abi abj abr abt ac- aca acb acc ace aci acj acr act aea aeb aec aee aei aej aer aet ai- aia aib aic aie aii air ait aja ajb ajc aje aji ajj ajr ajt ar- ara arb arc are ari arj arr art at- ata atb atc ate ati atr att baa bab bac bae bai baj bar bat bba bbb bbc bbe bbi bbr bbt bca bcb bcc bce bci bcj bcr bct be- bea beb bec bee bei ber bet bi- bia bib bic bie bii bij bir bit bja bjc bji bjj bjr bjt bra brb bre bri brj brr brt bta btb btc bte bti btr btt c-- c-j caa cab cac cae cai caj car cat cba cbb cbc cbe cbi cbj cbr cbt cca ccb ccc cce cci ccj ccr cct ce- cea ceb cec cee cei cej cer cet ci- cia cib cic cie cii cij cir cit cja cjb cjc cjr cra crb crc cre cri crj crr crt cta ctb ctc cte cti ctr ctt eaa eab eac eae eai eaj ear eat eba ebb ebc ebe ebi ebj ebr ebt ec- eca ecb ecc ece eci ecj ecr ect eea eeb eec eee eer eet eia eib eic eie eii eij eir eit eja ejc eji ejt era erb erc ere eri err ert eta etb etc ete eti etj etr ett ia- iaa iab iac iae iai iar iat iba ibb ibc ibe ibi ibj ibr ibt ica icb icc ice ici icj icr ict ie- iea iec iee iei iej ier iet iia iib iic iie iii iij iir iit ija ijb ijc ije iji ijt ir- ira irb irc ire iri irj irr irt ita itb itc ite iti itj itt j-i jaa jab jac jae jai jaj jar jat jba jbc jbi jbj jbr jbt jca jcb jcc jce jci jcr jct jea jeb jec jee jei jej jer jet jia jib jic jie jii jij jir jit jja jjb jjc jjj jjr jra jrb jrc jri jrr jrt jta jtb jtc jte jti jtr jtt ra- raa rab rac rae rai raj rar rat rba rbb rbc rbe rbi rbr rbt rca rcb rcc rce rci rcj rcr rct re- rea reb rec ree rei rer ret ria rib ric rie rii rir rit rja rjc rjr rra rrb rrc rri rrr rrt rta rtb rtc rte rti rtj rtr rtt taa tab tac tae tai taj tar tat tba tbb tbc tbe tbi tbj tbr tbt tca tcb tcc tce tci tcj tcr tct te- tea teb tec tee tei tej ter tet tia tib tic tie tii tir tit tjc tje tji tjr tra trb trc tre tri trr trt tta ttb ttc tte tti ttr ttt