-er -ic a-a a-c a-i aaa aac aae aag aai aao aar aax ac- aca acc ace acg aci aco acr acx aea aec aee aeg aei aeo aer aex ag- aga agc age agg agi ago agr agx ai- aia aic aie aig aii aio air aix aoa aoc aoe aog aoi aoo aor aox ar- ara arc are arg ari aro arr arx ax- axa axe axi axo axr axx c-- caa cac cae cag cai cao car cax cca ccc cce ccg cci cco ccr ccx ce- cea cec cee ceg cei ceo cer cex cga cgc cge cgg cgi cgo cgr ci- cia cic cie cig cii cio cir cix co- coa coc coe cog coi coo cor cox cra crc cre crg cri cro crr crx cxc cxi cxo cxr cxx eaa eac eae eag eai eao ear eax ec- eca ecc ece ecg eci eco ecr ecx eea eec eee eeg eeo eer eex ega egc ege egg egi ego egr egx eia eic eie eig eii eio eir eix eo- eoa eoc eoe eog eoi eoo eor era erc ere erg eri ero err ex- exa exc exe exi exo exr exx gaa gac gae gag gai gao gar gca gcc gce gcg gci gco gcr ge- gea gec gee geg gei geo ger gex gga ggc ggg ggi ggo ggr gia gic gie gig gii gio gir goa goc goe gog goi goo gor gox gra grc gre grg gri gro grr grx gxa ia- iaa iac iae iag iai iao iar ica icc ice icg ici ico icr ie- iea iec iee ieg iei ier iex iga igc ige igg igi igo igr iia iic iie iii iio iir iix io- ioa ioc ioe iog ioi ioo ior ir- ira irc ire irg iri iro irr irx ixc ixe ixi o-i oaa oac oae oag oai oao oar oax oc- oca occ ocg oci oco ocr ocx oea oec oee oeg oei oeo oer oex oga ogc oge ogg ogi ogo ogx oia oic oie oii oio oir oo- ooa ooc oog ooi ooo oor oox or- ora orc ore org ori oro orr orx ox- oxa oxc oxi oxo oxx ra- raa rac rae rag rai rao rar rax rca rcc rce rcg rci rco rcr rcx re- rea rec ree reg rei reo rer rex rga rgc rge rgg rgi rgo rgr rgx ria ric rie rig rii rio rir rix roa roc roe rog roi roo ror rox rra rrc rrg rri rrr rxr xaa xac xag xar xci xcr xcx xee xeg xer xex xge xgi xia xic xie xii xio xix xoa xoc xog xoi xoo xor xox xrc xrx xxi xxo xxx

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 airx aixa aixi aoca aoce aora arac arae arag arai arar arax arc- arca arce arci arco area arec aree areg arei areo arex arga arge argi argo aria arie arig arii ario aroa aroe aroi aroo aror arr- arra arrc arre arrg arri arro arrr axar axce axer axi- axia axie axo- axoa axxo caaa caac cac- caca cacc cace caci caco cacr caec caei caer caex caga cage cagg cagi cago cagr caia caic caio cair caix caoi caor cara carc care cari caro carr carx caxa ccaa ccac ccag ccai ccar ccca cccc ccci ccee ccga ccgc ccic ccii ccir ccix ccoc ccra ccrc ccre ccrg ccri ccxi ceac cear cec- ceca cece ceci ceco ceec cege cego ceor cer- cera cerc cere ceri cero cexe 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 cixi coag coai coax coca coce coco coex cogi cogo coia coir coix cor- cora corc core corg cori coro corr coxa coxe crac crag crai crar crax crca crcc crce crcr cre- crea crec cree creg crei creo crex cria cric crie crig croc croe croo cror cxii cxix cxro cxxi cxxx 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 er-x erca ercc erce erec erei erer erg- erga ergg ergi ergo eria eric erie erio eroc eroe eroi eroo erra errc erre erro exa- exai exco exec exer exge exgi exo- exor exrx 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 geox 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 grex gria gric grie grig groc grog groi groo gror grrr i-go iaaa iaac iaai iaca iacc iacr iaea iaec iago iaia