-er a-a a-c aaa aac aad aae aak aam aan aar ac- aca acc acd ace ack acm acn acr ad- ada adc add ade adk adm adn adr aea aec aed aee aek aem aen aer aka akc akd ake akk akm akn akr ama amc amd ame amk amm amn amr an- ana anc and ane ank anm ann anr ar- ara arc ard are ark arm arn arr c-- caa cac cad cae cak cam can car cca ccc ccd cce cck ccm ccn ccr cda cdc cdd cde cdk cdm cdn cdr ce- cea cec ced cee cek cem cen cer cka ckc ckd ckm cma cmc cmd cme cmk cmm cmn cmr cn- cna cnc cnd cne cnm cnn cnr cra crc crd cre crk crm crn crr daa dac dad dae dak dam dan dar dca dcc dcd dce dck dcm dcn dcr dda ddc ddd dde ddk ddm ddn ddr de- dea dec ded dee dek dem den der dka dkc dke dkk dkm dkr dma dmc dmd dme dmk dmm dmn dmr dna dnc dnd dne dnk dnm dnn dnr dra drc drd dre drk drm drn drr eaa eac ead eae eak eam ean ear ec- eca ecc ecd ece eck ecm ecn ecr ed- eda edc edd ede edk edm edn edr eea eec eed eee eek eem een eer eka ekc ekd eke ekr em- ema emc emd eme emk emm emn emr en- ena enc end ene enk enm enn enr era erc erd ere erk erm ern err ka- kaa kac kad kae kak kam kan kar kca kcc kcd kce kck kcm kcn kcr kda kdc kde kdk kdm kdr ke- kea kec ked kee kek kem ken ker kkc kke kkk kkm kkn kkr kma kmc kmd kme kmk kmm kn- kna knc knd kne knk knm knn knr kra krc krd krk krn krr m-r maa mac mad mae mak mam man mar mc- mca mcc mcd mce mck mcm mcn mcr mda mdc mdd mde mdk mdm mdn mdr mea mec med mee mek mem men mer mka mkc mkd mke mkk mkm mkn mkr mma mmc mmd mme mmk mmm mmn mmr mna mnc mne mnk mnm mnn mnr mra mrc mrd mre mrk mrm mrn mrr naa nac nad nae nak nam nan nar nca ncc ncd nce nck ncm ncn ncr nda ndc ndd nde ndk ndm ndn ndr ne- nea nec ned nee nek nem nen ner nka nkc nke nkk nkm nkn nkr nma nmc nmd nme nmk nmm nmn nmr nna nnc nne nnk nnm nnn nra nrc nrd nre nrk nrm nrn nrr ra- raa rac rad rae rak ram ran rar rca rcc rcd rce rcm rcn rcr rda rdc rdd rde rdm rdn rdr re- rea rec red ree rek rem ren rer rkc rke rkk rkm rma rmc rmd rme rmm rmn rmr rna rnc rnd rnm rnn rnr rra rrc rrd rrk rrm rrn rrr