-er -ic a-a a-c a-i aaa aac aae aai aak aam aan aar ac- aca acc ace aci ack acm acn acr aea aec aee aei aek aem aen aer ai- aia aic aie aii aik aim ain air aka akc ake aki akk akm akn akr ama amc ame ami amk amm amn amr an- ana anc ane ani ank anm ann anr ar- ara arc are ari ark arm arn arr c-- caa cac cae cai cak cam can car cca ccc cce cci cck ccm ccn ccr ce- cea cec cee cei cek cem cen cer ci- cia cic cie cii cik cim cin cir cka ckc cki ckm cma cmc cme cmi cmk cmm cmn cmr cn- cna cnc cne cni cnm cnn cnr cra crc cre cri crk crm crn crr eaa eac eae eai eak eam ean ear ec- eca ecc ece eci eck ecm ecn ecr eea eec eee eek eem een eer eia eic eie eii eik eim ein eir eka ekc eke eki ekr em- ema emc eme emi emk emm emn emr en- ena enc ene eni enk enm enn enr era erc ere eri erk erm ern err ia- iaa iac iae iai iam ian iar ica icc ice ici ick icm icn icr ie- iea iec iee iei iek iem ien ier iia iic iie iii iim iin iir ika ikc ike iki ikk ikr im- ima imc ime imi imm imn in- ina inc ine ini ink inm inn inr ir- ira irc ire iri irk irm irn irr ka- kaa kac kae kai kak kam kan kar kca kcc kce kci kck kcm kcn kcr ke- kea kec kee kei kek kem ken ker kia kic kie kii kik kim kin kir kkc kke kki kkk kkm kkn kkr kma kmc kme kmi kmk kmm kn- kna knc kne kni knk knm knn knr kra krc kri krk krn krr m-r maa mac mae mai mak mam man mar mc- mca mcc mce mci mck mcm mcn mcr mea mec mee mei mek mem men mer mi- mia mic mie mii mik mim min mir mka mkc mke mkk mkm mkn mkr mma mmc mme mmi mmk mmm mmn mmr mna mnc mne mni mnk mnm mnn mnr mra mrc mre mri mrk mrm mrn mrr n-i naa nac nae nai nak nam nan nar nca ncc nce nci nck ncm ncn ncr ne- nea nec nee nei nek nem nen ner nia nic nie nii nik nim nin nir nka nkc nke nki nkk nkm nkn nkr nma nmc nme nmi nmk nmm nmn nmr nna nnc nne nni nnk nnm nnn nra nrc nre nri nrk nrm nrn nrr ra- raa rac rae rai rak ram ran rar rca rcc rce rci rcm rcn rcr re- rea rec ree rei rek rem ren rer ria ric rie rii rik rim rin rir rkc rke rkk rkm rma rmc rme rmi rmm rmn rmr rna rnc rni rnm rnn rnr rra rrc rri rrk rrm rrn rrr