-er -ic a-a a-c a-i aaa aac aae aag aai aao aar ac- aca acc ace acg aci aco acr aea aec aee aeg aei aeo aer ag- aga agc age agg agi ago agr ai- aia aic aie aig aii aio air aoa aoc aoe aog aoi aoo aor ar- ara arc are arg ari aro arr c-- caa cac cae cag cai cao car cca ccc cce ccg cci cco ccr ce- cea cec cee ceg cei ceo cer cga cgc cge cgg cgi cgo cgr ci- cia cic cie cig cii cio cir co- coa coc coe cog coi coo cor cra crc cre crg cri cro crr eaa eac eae eag eai eao ear ec- eca ecc ece ecg eci eco ecr eea eec eee eeg eeo eer ega egc ege egg egi ego egr eia eic eie eig eii eio eir eo- eoa eoc eoe eog eoi eoo eor era erc ere erg eri ero err gaa gac gae gag gai gao gar gca gcc gce gcg gci gco gcr ge- gea gec gee geg gei geo ger gga ggc ggg ggi ggo ggr gia gic gie gig gii gio gir goa goc goe gog goi goo gor gra grc gre grg gri gro grr ia- iaa iac iae iag iai iao iar ica icc ice icg ici ico icr ie- iea iec iee ieg iei ier iga igc ige igg igi igo igr iia iic iie iii iio iir io- ioa ioc ioe iog ioi ioo ior ir- ira irc ire irg iri iro irr o-i oaa oac oae oag oai oao oar oc- oca occ ocg oci oco ocr oea oec oee oeg oei oeo oer oga ogc oge ogg ogi ogo oia oic oie oii oio oir oo- ooa ooc oog ooi ooo oor or- ora orc ore org ori oro orr ra- raa rac rae rag rai rao rar rca rcc rce rcg rci rco rcr re- rea rec ree reg rei reo rer rga rgc rge rgg rgi rgo rgr ria ric rie rig rii rio rir roa roc roe rog roi roo ror rra rrc rrg rri rrr

a-ii aaaa aaac aaae aaai aaar aaca aacc aace aaci aaco aacr aaea aaec aage aaic aaii aaoe aaoo aara aarc aare aari aaro acaa acac acae acag acai acar acca accc acce acci acco ace- acea acec acer acga acgi acgr aci- acia acic acie acir acoa acoe acog acor acr- acra acrc acre acri acro acrr aeac aeci aeer aega aeio aer- aera aerc aeri aero ag-o agac agag agai agao agar agca agcc agce agco agea agee agei ager agga agge aggi agia agic agie agig agii agio agir agog agoo agra agre agri agro aiai aica aicc aice aicr aiea aiee aiga aigo aiia aiic aiir aioc aioi aira aire airi airo aoca aoce aora arac arae arag arai arar arc- arca arce arci arco area arec aree areg arei areo arga arge argi argo aria arie arig arii ario aroa aroe aroi aroo aror arr- arra arrc arre arrg arri arro arrr caaa caac cac- caca cacc cace caci caco cacr caec caei caer caga cage cagg cagi cago cagr caia caic caio cair caoi caor cara carc care cari caro carr ccaa ccac ccag ccai ccar ccca cccc ccci ccee ccga ccgc ccic ccii ccir ccoc ccra ccrc ccre ccrg ccri ceac cear cec- ceca cece ceci ceco ceec cege cego ceor cer- cera cerc cere ceri cero cgac cgcc cgcg cger cgro ciaa ciao ciar cica cicc cici cico cicr ciee cier ciga cigi ciia ciii cior cira circ cire ciri ciro cirr coag coai coca coce coco cogi cogo coia coir cor- cora corc core corg cori coro corr crac crag crai crar crca crcc crce crcr cre- crea crec cree creg crei creo cria cric crie crig croc croe croo cror eaca eacc eaec eaga eage eara eare earo ecaa ecac ecai ecao ecar ecca eccc ecce ecci ecco ecig eco- ecog ecra ecrc ecri ecrr eeca eeea eeee eega eeoc eera eerc eerg eero egaa egae egao egar egcc egcg egcr egea egec egee eger egge eggi eggo egir ego- egoi egor egra egre egri eiao eica eico eiec eiei eier eige eigg eira eire eoir eora eore eori erca ercc erce erec erei erer erg- erga ergg ergi ergo eria eric erie erio eroc eroe eroi eroo erra errc erre erro gaar gace gaea gaec gaer gaga gage gagg gagi gago gaia gaie gaig gair gara gare garg gari garo garr gc-c gcaa gccc gcic gcii gcoa gcrg geai gear geca gece geer gege gegg gego geia geic geie geig geir geo- geog gera gere geri gero gggg giaa giac giai gica gicr gier giga gige gigg gigi gigo giog gioi gira gire girg giri giro girr goai goar goca goce gocr goer goga gogi gogo goog gooi goor gora gore gorg gori goro gorr grac grae grai grcc grce grea grec gree greg gria gric grie grig groc grog groi groo gror grrr i-go iaaa iaac iaai iaca iacc iacr iaea iaec iago iaia iara iarc iare icaa icac icag icai icao icar icca iccc icci icco iccr icea icec icee icer icga icgc icoc icor icra icrc icre icrr ieac iecc ieie ieio iera iere ieri igac igar igcc igea iger igga igia igoe igoo igor igra igri iiac iica iiie iiii iiio iioi iioo iira iirc iocg ioci ioee ioii ioio iooi iooo iora iore iorg iori irac irae irai irao irar irca ircc ircg iree irer iri- iria iric irie irig irio iroc irra irrc irre irri o-eo oaer oaic oara oare ocac occa occc occi oce ocee ocga ocra ocre ocro ocrr oec- oeca oecc oeec oera oere ogae ogai ogar ogea ogee oger ogge oggi ogoa ogog ogoi ogra ogre ogri ogro oici oier oigo oiii oira oire ooaa oocr ooer ooia oooo oora oore orac orae orai orao orar orca orce orci orco