-er -ic a-a a-c a-i aaa aac aae aag aai aam aan aao aar ac- aca acc ace acg aci acm acn aco acr aea aec aee aeg aei aem aen aeo aer ag- aga agc age agg agi agm agn ago agr ai- aia aic aie aig aii aim ain aio air ama amc ame amg ami amm amn amo amr an- ana anc ane ang ani anm ann ano anr aoa aoc aoe aog aoi aom aon aoo aor ar- ara arc are arg ari arm arn aro arr c-- caa cac cae cag cai cam can cao car cca ccc cce ccg cci ccm ccn cco ccr ce- cea cec cee ceg cei cem cen ceo cer cga cgc cge cgg cgi cgm cgn cgo cgr ci- cia cic cie cig cii cim cin cio cir cma cmc cme cmg cmi cmm cmn cmo cmr cn- cna cnc cne cng cni cnm cnn cno cnr co- coa coc coe cog coi com con coo cor cra crc cre crg cri crm crn cro crr eaa eac eae eag eai eam ean eao ear ec- eca ecc ece ecg eci ecm ecn eco ecr eea eec eee eeg eem een eeo eer ega egc ege egg egi egm egn ego egr eia eic eie eig eii eim ein eio eir em- ema emc eme emg emi emm emn emo emr en- ena enc ene eng eni enm enn eno enr eo- eoa eoc eoe eog eoi eom eon eoo eor era erc ere erg eri erm ern ero err gaa gac gae gag gai gam gan gao gar gca gcc gce gcg gci gcm gcn gco gcr ge- gea gec gee geg gei gem gen geo ger gga ggc ggg ggi ggm ggn ggo ggr gia gic gie gig gii gim gin gio gir gma gmc gme gmg gmi gmm gmn gmo gmr gna gnc gne gni gnm gnn gno gnr goa goc goe gog goi gom gon goo gor gra grc gre grg gri grm grn gro grr ia- iaa iac iae iag iai iam ian iao iar ica icc ice icg ici icm icn ico icr ie- iea iec iee ieg iei iem ien ier iga igc ige igg igi igm ign igo igr iia iic iie iii iim iin iio iir im- ima imc ime img imi imm imn imo in- ina inc ine ing ini inm inn ino inr io- ioa ioc ioe iog ioi iom ion ioo ior ir- ira irc ire irg iri irm irn iro irr m-o m-r maa mac mae mag mai mam man mao mar mc- mca mcc mce mcg mci mcm mcn mco mcr mea mec mee meg mei mem men meo mer mga mgc mge mgi mgm mgn mgo mgr mi- mia mic mie mig mii mim min mio mir mma mmc mme mmg mmi mmm mmn mmo mmr mna mnc mne mng mni mnm mnn mno mnr moa moc moe mog moi mom mon moo mor mra mrc mre mrg mri mrm mrn mro mrr n-i naa nac nae nag nai nam nan nao nar nca ncc nce ncg nci ncm ncn nco ncr ne- nea nec nee neg nei nem nen neo ner nga ngc nge ngg ngi ngm ngn ngo nia nic nie nig nii nim nin nio nir nma nmc nme nmg nmi nmm nmn nmo nmr nna nnc nne nng nni nnm nnn nno no- noa noc noe nog noi nom non noo nor nra nrc nre nrg nri nrm nrn nro nrr o-i oaa oac oae oag oai oam oan oao oar oc- oca occ ocg oci ocm ocn oco ocr oea oec oee oeg oei oem oen oeo oer oga ogc oge ogg ogi ogn ogo oia oic oie oii oim oin oio oir om- oma omc ome omg omi omm omn omo omr on- ona onc one ong oni onn ono onr oo- ooa ooc oog ooi oom oon ooo oor or- ora orc ore org ori orm orn oro orr ra- raa rac rae rag rai ram ran rao rar rca rcc rce rcg rci rcm rcn rco rcr re- rea rec ree reg rei rem ren reo rer rga rgc rge rgg rgi rgn rgo rgr ria ric rie rig rii rim rin rio rir rma rmc rme rmg rmi rmm rmn rmo rmr rna rnc rng rni rnm rnn rno rnr roa roc roe rog roi rom ron roo ror rra rrc rrg rri rrm rrn rrr