-er -ic a-a a-c a-i aaa aac aae aag aai aak aao aap aar ac- aca acc ace acg aci ack aco acp acr aea aec aee aeg aei aek aeo aep aer ag- aga agc age agg agi agk ago agp agr ai- aia aic aie aig aii aik aio aip air aka akc ake akg aki akk ako akp akr aoa aoc aoe aog aoi aok aoo aop aor ap- apa apc ape apg api apk apo app apr ar- ara arc are arg ari ark aro arp arr c-- caa cac cae cag cai cak cao cap car cca ccc cce ccg cci cck cco ccp ccr ce- cea cec cee ceg cei cek ceo cep cer cga cgc cge cgg cgi cgo cgp cgr ci- cia cic cie cig cii cik cio cip cir cka ckc cki cko co- coa coc coe cog coi cok coo cop cor cpa cpc cpe cpg cpi cpk cpo cpp cpr cra crc cre crg cri crk cro crp crr eaa eac eae eag eai eak eao eap ear ec- eca ecc ece ecg eci eck eco ecr eea eec eee eeg eek eeo eep eer ega egc ege egg egi ego egp egr eia eic eie eig eii eik eio eip eir eka ekc eke ekg eki eko ekp ekr eo- eoa eoc eoe eog eoi eok eoo eop eor ep- epa epc epe epg epi epo epp epr era erc ere erg eri erk ero erp err g-p gaa gac gae gag gai gak gao gap gar gca gcc gce gcg gci gck gco gcp gcr ge- gea gec gee geg gei gek geo gep ger gga ggc ggg ggi ggo ggp ggr gia gic gie gig gii gik gio gip gir gka gko gkp goa goc goe gog goi gok goo gop gor gpa gpc gpe gpg gpi gpk gpo gpp gpr gra grc gre grg gri grk gro grp grr ia- iaa iac iae iag iai iao iap iar ica icc ice icg ici ick ico icp icr ie- iea iec iee ieg iei iek iep ier iga igc ige igg igi igk igo igp igr iia iic iie iii iio iip iir ika ikc ike iki ikk iko ikr io- ioa ioc ioe iog ioi ioo iop ior ipa ipc ipe ipg ipi ipo ipp ipr ir- ira irc ire irg iri irk iro irp irr ka- kaa kac kae kag kai kak kao kap kar kca kcc kce kcg kci kck kcp kcr ke- kea kec kee keg kei kek keo kep ker kga kgc kgi kgo kgp kia kic kie kig kii kik kio kip kir kkc kke kki kkk kkp kkr koa koc koe kog koi kok koo kop kor kpa kpc kpe kpi kpk kpo kpp kpr kra krc krg kri krk kro krp krr o-i oaa oac oae oag oai oak oao oap oar oc- oca occ ocg oci ock oco ocp ocr oea oec oee oeg oei oeo oep oer oga ogc oge ogg ogi ogo ogp oia oic oie oii oik oio oip oir oka okc oke okg oki okk oko okp okr oo- ooa ooc oog ooi ook ooo oop oor op- opa opc ope opg opi opk opo opp opr or- ora orc ore org ori ork oro orp orr p-p paa pac pae pag pai pak pao pap par pca pcc pce pcg pci pck pco pcp pcr pea pec pee peg pei pek peo pep per pga pgc pge pgg pgi pgk pgo pgp pgr pia pic pie pig pii pik pio pip pir pka pkc pke pkg pki pko pkp pkr poa poc poe pog poi pok poo pop por ppa ppc ppe ppg ppi ppk ppo ppp ppr pra prc pre prg pri prk pro prp prr ra- raa rac rae rag rai rak rao rap rar rca rcc rce rcg rci rco rcp rcr re- rea rec ree reg rei rek reo rep rer rga rgc rge rgg rgi rgk rgo rgp rgr ria ric rie rig rii rik rio rip rir rkc rke rkg rkk rko rkp roa roc roe rog roi rok roo rop ror rpa rpc rpe rpg rpi rpk rpo rpp rpr rra rrc rrg rri rrk rrp rrr

a-ak a-ii a-ok aaaa aaac aaae aaai aaap aaar aaca aacc aace aaci aack aaco aacp aacr aaea aaec aaep aage aaic aaii aaka aake aaoe aaoo aapa aapc aapi aapo aara aarc aare aari aaro aarp acaa acac acae acag acai acap acar acca accc acce acci acco accp ace- acea acec acek acer acga acgi acgr aci- acia acic acie acip acir acke acoa acoe acog acop acor acpa acpe acpi acpr acr- acra acrc acre acri acro acrr aeac aeap aeci aeer aega aeio aeka aer- aera aerc aeri aero ag-o agac agag agai agao agap agar agca agcc agce agco agea agee agei agep ager agga agge aggi agia agic agie agig agii agio agip agir agog agoo agra agre agri agro agrp aiai aica aicc aice aicp aicr aiea aiee aiga aigo aiia aiic aiir aika aike aiki aiko aioc aioi aipa aipe aipi aira aire airi airo airp akaa akae akai akao akap akar akca akee akeg aker akia akie akik akio akir akka akki akko akok akpo akr- akra akre aoca aoce aoki aokp aopo aora apac apai apak apao apap apar apca apcc apco apcr apea apec apeg apep aper apga api- apia apic apie apig apio apip apke apo- apoc apoe apoo apop apor appa appc appr apra aprc apre apri apro arac arae arag arai arak arap arar arc- arca arce arci arco area arec aree areg arei arek areo arep arga arge argi argo aria arie arig arii arik ario arip arka arke arki arko aroa aroe aroi aroo aror arpa arpe arpi arr- arra arrc arre arrg arri arrk arro arrr caaa caac caap cac- caca cacc cace caci cack caco cacr caec caei caer caga