-er -ic c-- ccc cce cch cci cck cco ccr ccv ccz ce- cec cee ceh cei cek ceo cer cev cez ch- chc che chh chi chk cho chr chv chz ci- cic cie cih cii cik cio cir civ ckc ckh cki cko co- coc coe coh coi cok coo cor cov coz crc cre crh cri crk cro crr crv crz cvc cve cvh cvi cvk cvo cvr cvv cvz cz- czc cze czk czo ec- ecc ece ech eci eck eco ecr ecv eec eee eek eeo eer eev ehc ehe ehh ehi eho ehr ehv eic eie eii eik eio eir eiv ekc eke ekh eki eko ekr ekv eo- eoc eoe eoh eoi eok eoo eor erc ere erh eri erk ero err erv erz evc eve evh evi evo evr evv eze ezh ezo ezr ezz h-i hcc hce hch hci hck hco hcr hcv he- hec hee heh hei hek heo her hev hez hhc hhe hhh hhi hhk hho hhr hhv hhz hic hie hih hii hik hio hir hiv hkh hki hkk hko hkr hoc hoe hoh hoi hok hoo hor hov hr- hrc hre hrh hri hrk hro hrr hrv hrz hv- hvc hvk hvo hvr hvv hze hzo i-v icc ice ich ici ick ico icr icv icz ie- iec iee iei iek ier iev ihc ihe ihh ihi ihk iho ihr ihv iic iie iih iii iio iir ikc ike iki ikk iko ikr ikv io- ioc ioe ioh ioi ioo ior iov ir- irc ire iri irk iro irr irv ivc ive ivi ivo ivr ivv ize izh izi izo izz k-z kcc kce kch kci kck kcr ke- kec kee keh kei kek keo ker kev kez khe khh khi khk kho khr khv khz kic kie kih kii kik kio kir kiv kiz kkc kke kkh kki kkk kkr kkv koc koe koh koi kok koo kor koz krc kri krk kro krr krv kvh kvi kvk kvo kvr kvv kzo o-i oc- occ och oci ock oco ocr ocv ocz oec oee oeh oei oeo oer ohc ohe ohh ohi oho ohr oic oie oii oik oio oir oiv oiz okc oke oki okk oko okr oo- ooc ooh ooi ook ooo oor oov or- orc ore orh ori ork oro orr orv orz ov- ovc ove ovh ovi ovo ovv oze ozo ozz rcc rce rch rci rco rcr rcv re- rec ree reh rei rek reo rer rev rez rh- rhc rhe rhh rhi rho rhr rhv ric rie rih rii rik rio rir riv riz rkc rke rkk rko rkv rkz roc roe roh roi rok roo ror rov roz rrc rrh rri rrk rrr rvc rve rvh rvi rvo rvr rvv rze rzo v-e vcc vce vch vci vco vcr vec vee veh vei vek veo ver vez vh- vhc vhe vhi vho vi- vic vie vii vik vio vir viv viz voc voe voh voi vok voo vor vov voz vrc vre vrh vri vrk vrr vvc vvi vvo vvr vvv vvz zce zco zec zee zeh zek zeo zer zev zez zhc zhe zhi zho zhr zie zik zio zir ziv ziz zo- zoc zoe zoi zok zoo zor zrh zro zvi zzr zzz