-er a-a a-c aaa aac aae aaj aak aam aar ac- aca acc ace acj ack acm acr aea aec aee aej aek aem aer aja ajc aje ajj ajk ajm ajr aka akc ake akj akk akm akr ama amc ame amk amm amr ar- ara arc are arj ark arm arr c-- c-j caa cac cae caj cak cam car cca ccc cce ccj cck ccm ccr ce- cea cec cee cej cek cem cer cja cjc cjk cjr cka ckc ckm cma cmc cme cmj cmk cmm cmr cra crc cre crj crk crm crr eaa eac eae eaj eak eam ear ec- eca ecc ece ecj eck ecm ecr eea eec eee eek eem eer eja ejc eka ekc eke ekr em- ema emc eme emk emm emr era erc ere erk erm err jaa jac jae jaj jak jam jar jca jcc jce jck jcm jcr jea jec jee jej jek jem jer jja jjc jjj jjk jjr jka jkk jkm jkr jma jmc jme jmj jmm jmr jra jrc jrk jrm jrr ka- kaa kac kae kaj kak kam kar kca kcc kce kck kcm kcr ke- kea kec kee kek kem ker kjc kje kjr kkc kke kkk kkm kkr kma kmc kme kmj kmk kmm kra krc krk krr m-r maa mac mae maj mak mam mar mc- mca mcc mce mck mcm mcr mea mec mee mej mek mem mer mjc mje mjj mjk mjm mjr mka mkc mke mkk mkm mkr mma mmc mme mmj mmk mmm mmr mra mrc mre mrj mrk mrm mrr ra- raa rac rae raj rak ram rar rca rcc rce rcj rcm rcr re- rea rec ree rek rem rer rja rjc rjk rjm rjr rkc rke rkk rkm rma rmc rme rmm rmr rra rrc rrk rrm rrr