-er -ic a-a a-c a-i a-t aaa aac aae aai aan aao aar aat ac- aca acc ace aci acn aco acr act aea aec aee aei aen aeo aer aet ai- aia aic aie aii ain aio air ait an- ana anc ane ani ann ano anr ant aoa aoc aoe aoi aon aoo aor aot ar- ara arc are ari arn aro arr art at- ata atc ate ati atn ato atr att c-- caa cac cae cai can cao car cat cca ccc cce cci ccn cco ccr cct ce- cea cec cee cei cen ceo cer cet ci- cia cic cie cii cin cio cir cit cn- cna cnc cne cni cnn cno cnr cnt co- coa coc coe coi con coo cor cot cra crc cre cri crn cro crr crt cta ctc cte cti ctn cto ctr ctt eaa eac eae eai ean eao ear eat ec- eca ecc ece eci ecn eco ecr ect eea eec eee een eeo eer eet eia eic eie eii ein eio eir eit en- ena enc ene eni enn eno enr ent eo- eoa eoc eoe eoi eon eoo eor eot era erc ere eri ern ero err ert eta etc ete eti etn eto etr ett ia- iaa iac iae iai ian iao iar iat ica icc ice ici icn ico icr ict ie- iea iec iee iei ien ier iet iia iic iie iii iin iio iir iit in- ina inc ine ini inn ino inr int io- ioa ioc ioe ioi ion ioo ior iot ir- ira irc ire iri irn iro irr irt ita itc ite iti itn ito itt n-i naa nac nae nai nan nao nar nat nca ncc nce nci ncn nco ncr nct ne- nea nec nee nei nen neo ner net nia nic nie nii nin nio nir nit nna nnc nne nni nnn nno nnt no- noa noc noe noi non noo nor not nra nrc nre nri nrn nro nrr nrt nta ntc nte nti ntn nto ntr ntt o-i oaa oac oae oai oan oao oar oat oc- oca occ oci ocn oco ocr oct oea oec oee oei oen oeo oer oet oia oic oie oii oin oio oir oit on- ona onc one oni onn ono onr ont oo- ooa ooc ooi oon ooo oor oot or- ora orc ore ori orn oro orr ort ot- ota otc ote oti otn oto otr ott ra- raa rac rae rai ran rao rar rat rca rcc rce rci rcn rco rcr rct re- rea rec ree rei ren reo rer ret ria ric rie rii rin rio rir rit rna rnc rni rnn rno rnr rnt roa roc roe roi ron roo ror rot rra rrc rri rrn rrr rrt rta rtc rte rti rtn rto rtr rtt taa tac tae tai tan tao tar tat tca tcc tce tci tcn tco tcr tct te- tea tec tee tei ten teo ter tet tia tic tie tii tin tio tir tit tna tnc tne tni tnn tno tnr tnt to- toa toc toe toi ton too tor tot tra trc tre tri trn tro trr trt tta ttc tte tti ttn tto ttr ttt