-er -ic a-a a-c a-i aaa aac aae aaf aag aai aar ac- aca acc ace acf acg aci acr aea aec aee aef aeg aei aer af- afa afc afe aff afg afi afr ag- aga agc age agf agg agi agr ai- aia aic aie aif aig aii air ar- ara arc are arf arg ari arr c-- caa cac cae caf cag cai car cca ccc cce ccf ccg cci ccr ce- cea cec cee cef ceg cei cer cfa cfc cfe cff cfg cfi cfr cga cgc cge cgg cgi cgr ci- cia cic cie cif cig cii cir cra crc cre crf crg cri crr eaa eac eae eaf eag eai ear ec- eca ecc ece ecf ecg eci ecr eea eec eee eef eeg eer ef- efa efc efe eff efg efi efr ega egc ege egf egg egi egr eia eic eie eif eig eii eir era erc ere erf erg eri err faa fac fae faf fag fai far fca fcc fce fcf fcg fci fcr fea fec fee fef feg fei fer ffa ffc ffe fff ffg ffi ffr fga fgc fge fgf fgg fgi fgr fia fic fie fif fig fii fir fra frc fre frf frg fri frr gaa gac gae gaf gag gai gar gca gcc gce gcf gcg gci gcr ge- gea gec gee gef geg gei ger gfa gfc gfe gff gfi gfr gga ggc ggg ggi ggr gia gic gie gif gig gii gir gra grc gre grf grg gri grr i-f ia- iaa iac iae iaf iag iai iar ica icc ice icf icg ici icr ie- iea iec iee ief ieg iei ier ifa ifc ife iff ifg ifi ifr iga igc ige igf igg igi igr iia iic iie iif iii iir ir- ira irc ire irf irg iri irr ra- raa rac rae raf rag rai rar rca rcc rce rcf rcg rci rcr re- rea rec ree ref reg rei rer rfa rfc rfe rff rfg rfi rfr rga rgc rge rgf rgg rgi rgr ria ric rie rif rig rii rir rra rrc rrf rrg rri rrr

a-ii aaaa aaac aaae aaaf aaai aaar aaca aacc aace aacf aaci aacr aaea aaec aafa aafc aaff aafi aage aaic aaii aara aarc aare aari acaa acac acae acag acai acar acca accc acce accf acci ace- acea acec acer acfc acfe acfi acga acgi acgr aci- acia acic acie acif acir acr- acra acrc acre acri acrr aeac aeaf aeci aeer aega aer- aera aerc aeri afaa afar afca afcc afci afee afer affa affc affi afgf afia afif afig afir afr- afra afrc afre afri agac agag agai agar agca agcc agce agea agee agei ager agfa agga agge aggi agia agic agie agig agii agir agra agre agri aiai aica aicc aice aicf aicr aiea aiee aiff aiga aiia aiic aiir aira aire airi arac arae araf arag arai arar arc- arca arce arci area arec aree aref areg arei arfa arfc arff arga arge argi aria arie arif arig arii arr- arra arrc arre arrg arri arrr caaa caac caaf cac- caca cacc cace caci cacr caec caei caer cafa cafc cafe caff caga cage cagg cagi cagr caia caic cair cara carc care carf cari carr ccaa ccac ccaf ccag ccai ccar ccca cccc cccf ccci ccee ccfa ccfc ccff ccfi ccga ccgc ccic ccii ccir ccra ccrc ccre ccrf ccrg ccri ceac cear cec- ceca cece ceci ceec cef- cefa cefc cege cer- cera cerc cere cerf ceri cfaa cfac cfae cfar cfca cfcf cffr cfia cfra cfre cfrg cgac cgcc cgcg cger cgfc ciaa ciar cica cicc cici cicr ciee cier cifa cife ciff cifg ciga cigi ciia ciii cira circ cire ciri cirr crac craf crag crai crar crca crcc crce crcr cre- crea crec cree creg crei crfc cria cric crie crif crig eaaf eaca eacc eaec eaga eage eaif eara eare ecaa ecac ecai ecar ecca eccc ecce ecci ecef ecfa ecfc ecfr ecig ecra ecrc ecrf ecri ecrr eeca eeea eeee eefa eefe eega eera eerc eerg ef-g efca effa effi efic egaa egae egar egcc egcg egcr egea egec egee eger egfr egge eggi egir egra egre egri eica eiec eiei eier eige eigg eira eire eraf erca ercc erce erec erei erer erfc erg- erga ergg ergi eria eric erie erra errc erre faaa faac faca facc face fafa fafc fafe faff fafg fafi fage fagg fagi faie fair fara farc fare farg farr fcar fcca fccf fcic fcii fcra feaf fear fece feer fefc fefe feff fefi fege fegg feia feie feig feir fera ferc fere ferr ffar ffcc ffee ffff ffii ffrr fiaa fiac fiaf fiar fica ficc fice fiec fief fier fifa fifc fife fiff fifi figa figc figg fiii fira fire frac frae frag frcc frea free frei frfc fria fric frie frig gaar gace gaea gaec gaer gafa gafc gaff gafi gaga gage gagg gagi gaia gaie gaig gair gara gare garf garg gari garr gc-c gcaa gccc gccf gcfc gcic gcii gcrg geai gear geca gece geer gefe gege gegg geia geic geie geif geig geir gera gere geri gfcf gfci gfer gffa ggfg gggg giaa giac giai gica gicr gief gier gife giff giga gige gigg gigi gira gire girg giri girr grac grae graf grai grcc grce grea grec gree gref greg grfa gria gric grie grif grig grrr iaaa iaac iaai iaca iacc iacr iaea iaec iafc iafe iaff iaia iara iarc iare icaa icac icaf icag icai icar icca iccc iccf icci iccr icea icec icee icef icer icga icgc icra icrc icre icrf icrr ieac iecc ieie iera iere ieri ifaa ifac ifae ifar ifer ifge ific ifra ifrf ifri igac igar igcc igea iger igfa igfc igga igia igra igri iiac iica iifa iiie iiii iira iirc irac irae iraf irai irar irca ircc ircg iree irer irfe iri- iria iric irie irig irra irrc irre