-er a-a a-c aaa aac aae aag aah aak aao aar ac- aca acc ace acg ach ack aco acr aea aec aee aeg aeh aek aeo aer ag- aga agc age agg agh agk ago agr aha ahc ahe ahg ahh ahk aho ahr aka akc ake akg akh akk ako akr aoa aoc aoe aog aoh aok aoo aor ar- ara arc are arg arh ark aro arr c-- caa cac cae cag cah cak cao car cca ccc cce ccg cch cck cco ccr ce- cea cec cee ceg ceh cek ceo cer cga cgc cge cgg cgh cgo cgr ch- cha chc che chg chh chk cho chr cka ckc ckh cko co- coa coc coe cog coh cok coo cor cra crc cre crg crh crk cro crr eaa eac eae eag eah eak eao ear ec- eca ecc ece ecg ech eck eco ecr eea eec eee eeg eek eeo eer ega egc ege egg egh ego egr eha ehc ehe ehg ehh eho ehr eka ekc eke ekg ekh eko ekr eo- eoa eoc eoe eog eoh eok eoo eor era erc ere erg erh erk ero err gaa gac gae gag gah gak gao gar gca gcc gce gcg gch gck gco gcr ge- gea gec gee geg geh gek geo ger gga ggc ggg ggh ggo ggr gha ghc ghe ghg ghh gho ghr gka gkh gko goa goc goe gog goh gok goo gor gra grc gre grg grh grk gro grr haa hac hae hag hah hak hao har hca hcc hce hcg hch hck hco hcr he- hea hec hee heg heh hek heo her hga hgc hge hgg hgh hgk hgo hgr hha hhc hhe hhg hhh hhk hho hhr hka hkg hkh hkk hko hkr hoa hoc hoe hog hoh hok hoo hor hr- hra hrc hre hrg hrh hrk hro hrr ka- kaa kac kae kag kah kak kao kar kca kcc kce kcg kch kck kcr ke- kea kec kee keg keh kek keo ker kga kgc kgh kgo kha khe khh khk kho khr kkc kke kkh kkk kkr koa koc koe kog koh kok koo kor kra krc krg krk kro krr oaa oac oae oag oah oak oao oar oc- oca occ ocg och ock oco ocr oea oec oee oeg oeh oeo oer oga ogc oge ogg ogh ogo oha ohc ohe ohg ohh oho ohr oka okc oke okg okk oko okr oo- ooa ooc oog ooh ook ooo oor or- ora orc ore org orh ork oro orr ra- raa rac rae rag rah rak rao rar rca rcc rce rcg rch rco rcr re- rea rec ree reg reh rek reo rer rga rgc rge rgg rgh rgk rgo rgr rh- rha rhc rhe rhg rhh rho rhr rkc rke rkg rkk rko roa roc roe rog roh rok roo ror rra rrc rrg rrh rrk rrr

a-ak a-ha a-ok aaaa aaac aaae aaah aaar aaca aacc aace aach aack aaco aacr aaea aaec aage aagh aaha aahk aaka aake aaoe aaoo aara aarc aare aaro acaa acac acae acag acar acca accc acce acch acco ace- acea acec aceh acek acer acga acgr acha ache achh acho achr acke acoa acoe acog acoh acor acr- acra acrc acre acro acrr aeac aeer aega aeka aer- aera aerc aero ag-o agac agag agao agar agca agcc agce agco agea agee ager agga agge agha aghe agog agoo agra agre agro ahac ahah ahar ahha ahoa ahoe ahog ahok ahor ahra ahrc ahre ahrr akaa akae akah akao akar akca akee akeg aker akha akka akko akok akr- akra akre aoah aoca aoce aora arac arae arag arah arak arar arc- arca arce arch arco area arec aree areg areh arek areo arga arge argh argo arh- arka arke arkh arko aroa aroe aroo aror arr- arra arrc arre arrg arrh arrk arro arrr caaa caac caah cac- caca cacc cace cach cack caco cacr caec caer caga cage cagg cago cagr caha cahe caka cake caor cara carc care cark caro carr ccaa ccac ccag ccar ccca cccc ccee ccga ccgc ccha cche cchr ccoc ccra ccrc ccre ccrg ceac cear cec- ceca cece ceco ceec cege cego ceke ceor cer- cera cerc cere cero cgac cgcc cgcg cger cgro chaa chac chae chag chah chak chao char chca chce chch chea chec chee cheh chek cher chge chha chka choc choh chok choo chor chra chrc chro chrr ckac ckch ckck ckco cker ckga ckgo ckoa ckoc ckoo ckor ckrc coag coak coca coce coch cock coco cogh cogo coha coho cok- coka coke coko cooh cook cor- cora corc core corg cork coro corr crac crag crar crca crcc crce crcr cre- crea crec cree creg creh creo crkc croc croe croh crok croo cror eaca eacc each eaec eaga eage eara eare earh earo ecaa ecac ecao ecar ecca eccc ecce ecco echa eche echo ecka ecko eco- ecog ecra ecrc ecrr eeca eeea eeee eega eeka eeke eeoc eera eerc eerg eero egaa egae egao egar egcc egcg egcr egea egec egee eger egge eggh eggo eghe eghh ego- egor egra egre ehaa ehcc ehea eheh eher ehre eka- ekch ekco ekek eker ekho ekka ekoa eoka eora eore erca ercc erce erch erec erer erg- erga ergg ergh ergo erhc erke eroc eroe eroo erra errc erre erro gaar gace gach gack gaea gaec gaer gaga gage gagg gago gaha gahe gaoh gara gare garg garo garr gc-c gcaa gccc gcoa gcrg gear geca gece geck geek geer gege gegg gego geha geko geo- geog gera gere gero gggg gghg ghar ghea ghee gheg goar goca goce goch gocr goer goga gogh gogo goha goke goog gook goor gora gore gorg goro gorr grac grae grcc grce grea grec gree greg groc grog groh grok groo gror grrr haag haak haar hace hack haco haec hag- haga hage hagg hagh hago haha