-er -ic a-a a-c a-i aaa aac aad aae aai aak aao aar aav ac- aca acc acd ace aci ack aco acr acv ad- ada adc add ade adi adk ado adr adv aea aec aed aee aei aek aeo aer aev ai- aia aic aid aie aii aik aio air aiv aka akc akd ake aki akk ako akr akv aoa aoc aod aoe aoi aok aoo aor aov ar- ara arc ard are ari ark aro arr arv av- ava avc avd ave avi avk avo avr c-- caa cac cad cae cai cak cao car cav cca ccc ccd cce cci cck cco ccr ccv cda cdc cdd cde cdi cdk cdo cdr cdv ce- cea cec ced cee cei cek ceo cer cev ci- cia cic cid cie cii cik cio cir civ cka ckc ckd cki cko co- coa coc cod coe coi cok coo cor cov cra crc crd cre cri crk cro crr crv cva cvc cvd cve cvi cvk cvo cvr cvv daa dac dad dae dai dak dao dar dav dca dcc dcd dce dci dck dco dcr dcv dda ddc ddd dde ddi ddk ddo ddr de- dea dec ded dee dei dek deo der dev di- dia dic did die dii dik dio dir div dka dkc dke dki dkk dko dkr doa doc dod doe doi dok doo dor dov dra drc drd dre dri drk dro drr drv dva dvc dvd dve dvi dvk dvr eaa eac ead eae eai eak eao ear eav ec- eca ecc ecd ece eci eck eco ecr ecv ed- eda edc edd ede edi edk edo edr eea eec eed eee eek eeo eer eev eia eic eid eie eii eik eio eir eiv eka ekc ekd eke eki eko ekr ekv eo- eoa eoc eod eoe eoi eok eoo eor era erc erd ere eri erk ero err erv eva evc evd eve evi evo evr evv i-d i-v ia- iaa iac iad iae iai iao iar iav ica icc icd ice ici ick ico icr icv ida idc idd ide idi idk ido idr idv ie- iea iec ied iee iei iek ier iev iia iic iid iie iii iio iir ika ikc ike iki ikk iko ikr ikv io- ioa ioc iod ioe ioi ioo ior iov ir- ira irc ird ire iri irk iro irr irv iva ivc ivd ive ivi ivo ivr ivv ka- kaa kac kad kae kai kak kao kar kav kca kcc kcd kce kci kck kcr kda kdc kde kdk kdo kdr ke- kea kec ked kee kei kek keo ker kev kia kic kid kie kii kik kio kir kiv kkc kke kki kkk kkr kkv koa koc kod koe koi kok koo kor kra krc krd kri krk kro krr krv kva kvi kvk kvo kvr kvv o-i oaa oac oad oae oai oak oao oar oav oc- oca occ ocd oci ock oco ocr ocv oda odc odd ode odi odo odr odv oea oec oed oee oei oeo oer oia oic oid oie oii oik oio oir oiv oka okc okd oke oki okk oko okr oo- ooa ooc ood ooi ook ooo oor oov or- ora orc ord ore ori ork oro orr orv ov- ova ovc ovd ove ovi ovo ovv ra- raa rac rad rae rai rak rao rar rav rca rcc rcd rce rci rco rcr rcv rda rdc rdd rde rdi rdo rdr rdv re- rea rec red ree rei rek reo rer rev ria ric rid rie rii rik rio rir riv rkc rke rkk rko rkv roa roc rod roe roi rok roo ror rov rra rrc rrd rri rrk rrr rva rvc rvd rve rvi rvo rvr rvv v-a v-e vaa vac vad vae vai vak vao var vav vca vcc vcd vce vci vco vcr vdc vdd vde vdi vdk vdo vdr vdv vea vec ved vee vei vek veo ver vi- via vic vid vie vii vik vio vir viv vka voa voc vod voe voi vok voo vor vov vra vrc vrd vre vri vrk vrr vva vvc vvi vvo vvr vvv