-er -ic a-a a-c a-i aaa aac aae aai aam aan aao aar ac- aca acc ace aci acm acn aco acr aea aec aee aei aem aen aeo aer ai- aia aic aie aii aim ain aio air ama amc ame ami amm amn amo amr an- ana anc ane ani anm ann ano anr aoa aoc aoe aoi aom aon aoo aor ar- ara arc are ari arm arn aro arr c-- caa cac cae cai cam can cao car cca ccc cce cci ccm ccn cco ccr ce- cea cec cee cei cem cen ceo cer ci- cia cic cie cii cim cin cio cir cma cmc cme cmi cmm cmn cmo cmr cn- cna cnc cne cni cnm cnn cno cnr co- coa coc coe coi com con coo cor cra crc cre cri crm crn cro crr eaa eac eae eai eam ean eao ear ec- eca ecc ece eci ecm ecn eco ecr eea eec eee eem een eeo eer eia eic eie eii eim ein eio eir em- ema emc eme emi emm emn emo emr en- ena enc ene eni enm enn eno enr eo- eoa eoc eoe eoi eom eon eoo eor era erc ere eri erm ern ero err ia- iaa iac iae iai iam ian iao iar ica icc ice ici icm icn ico icr ie- iea iec iee iei iem ien ier iia iic iie iii iim iin iio iir im- ima imc ime imi imm imn imo in- ina inc ine ini inm inn ino inr io- ioa ioc ioe ioi iom ion ioo ior ir- ira irc ire iri irm irn iro irr m-o m-r maa mac mae mai mam man mao mar mc- mca mcc mce mci mcm mcn mco mcr mea mec mee mei mem men meo mer mi- mia mic mie mii mim min mio mir mma mmc mme mmi mmm mmn mmo mmr mna mnc mne mni mnm mnn mno mnr moa moc moe moi mom mon moo mor mra mrc mre mri mrm mrn mro mrr n-i naa nac nae nai nam nan nao nar nca ncc nce nci ncm ncn nco ncr ne- nea nec nee nei nem nen neo ner nia nic nie nii nim nin nio nir nma nmc nme nmi nmm nmn nmo nmr nna nnc nne nni nnm nnn nno no- noa noc noe noi nom non noo nor nra nrc nre nri nrm nrn nro nrr o-i oaa oac oae oai oam oan oao oar oc- oca occ oci ocm ocn oco ocr oea oec oee oei oem oen oeo oer oia oic oie oii oim oin oio oir om- oma omc ome omi omm omn omo omr on- ona onc one oni onn ono onr oo- ooa ooc ooi oom oon ooo oor or- ora orc ore ori orm orn oro orr ra- raa rac rae rai ram ran rao rar rca rcc rce rci rcm rcn rco rcr re- rea rec ree rei rem ren reo rer ria ric rie rii rim rin rio rir rma rmc rme rmi rmm rmn rmo rmr rna rnc rni rnm rnn rno rnr roa roc roe roi rom ron roo ror rra rrc rri rrm rrn rrr