-er -ic a-a a-c a-i aaa aac aae aai aak aao aar aau ac- aca acc ace aci ack aco acr acu aea aec aee aei aek aeo aer aeu ai- aia aic aie aii aik aio air aiu aka akc ake aki akk ako akr aku aoa aoc aoe aoi aok aoo aor aou ar- ara arc are ari ark aro arr aru au- aua auc aue aui auk auo aur c-- caa cac cae cai cak cao car cau cca ccc cce cci cck cco ccr ccu ce- cea cec cee cei cek ceo cer ceu ci- cia cic cie cii cik cio cir ciu cka ckc cki cko co- coa coc coe coi cok coo cor cou cra crc cre cri crk cro crr cru cua cuc cue cui cuk cuo cur cuu eaa eac eae eai eak eao ear eau ec- eca ecc ece eci eck eco ecr ecu eea eec eee eek eeo eer eia eic eie eii eik eio eir eiu eka ekc eke eki eko ekr eku eo- eoa eoc eoe eoi eok eoo eor eou era erc ere eri erk ero err eru eu- eua euc eue eui eur ia- iaa iac iae iai iao iar iau ica icc ice ici ick ico icr icu ie- iea iec iee iei iek ier iia iic iie iii iio iir iiu ika ikc ike iki ikk iko ikr iku io- ioa ioc ioe ioi ioo ior iou ir- ira irc ire iri irk iro irr iru iu- iua iuc iue iui iur ka- kaa kac kae kai kak kao kar kau kca kcc kce kci kck kcr kcu ke- kea kec kee kei kek keo ker kia kic kie kii kik kio kir kiu kkc kke kki kkk kkr kku koa koc koe koi kok koo kor kou kra krc kri krk kro krr kru kuc kue kui kuk kur kuu o-i oaa oac oae oai oak oao oar oau oc- oca occ oci ock oco ocr ocu oea oec oee oei oeo oer oia oic oie oii oik oio oir oiu oka okc oke oki okk oko okr oku oo- ooa ooc ooi ook ooo oor or- ora orc ore ori ork oro orr oru ou- oua ouc oue oui ouk ouo our ra- raa rac rae rai rak rao rar rau rca rcc rce rci rco rcr rcu re- rea rec ree rei rek reo rer reu ria ric rie rii rik rio rir rkc rke rkk rko rku roa roc roe roi rok roo ror rou rra rrc rri rrk rrr rru rua ruc rue rui ruk ruo rur ruu ua- uaa uac uae uai uak uao uar uau uca ucc uce uci uck uco ucr ucu uea uec uee uei uer uia uic uie uii uio uir uiu uka ukc uke uki ukk ukr uku uoa uoc uoe uok uoo uor ur- ura urc ure uri urk uro urr uru uua uuc uue uur uuu