-er -ic c-- ccc ccd cce cci cck cco ccr ccu ccv cdc cdd cde cdi cdk cdo cdq cdr cdu cdv ce- cec ced cee cei cek ceo ceq cer ceu cev ci- cic cid cie cii cik cio ciq cir ciu civ ckc ckd cki cko co- coc cod coe coi cok coo coq cor cou cov cqc cqd cqi cqo crc crd cre cri crk cro crq crr cru crv cuc cud cue cui cuk cuo cuq cur cuu cuv cvc cvd cve cvi cvk cvo cvr cvu cvv dcc dcd dce dci dck dco dcr dcu dcv ddc ddd dde ddi ddk ddo ddq ddr ddu de- dec ded dee dei dek deo deq der deu dev di- dic did die dii dik dio diq dir diu div dkc dke dki dkk dko dkr dku doc dod doe doi dok doo doq dor dou dov dqe dqv drc drd dre dri drk dro drq drr dru drv duc dud due dui duk duo dur duv dvc dvd dve dvi dvk dvr dvu ec- ecc ecd ece eci eck eco ecq ecr ecu ecv ed- edc edd ede edi edk edo edr edu eec eed eee eek eeo eer eev eic eid eie eii eik eio eir eiu eiv ekc ekd eke eki eko ekr eku ekv eo- eoc eod eoe eoi eok eoo eoq eor eou eqe eqq equ eqv erc erd ere eri erk ero erq err eru erv eu- euc eud eue eui eur euv evc evd eve evi evo evr evv i-d i-v icc icd ice ici ick ico icq icr icu icv idc idd ide idi idk ido idq idr idu idv ie- iec ied iee iei iek ier iev iic iid iie iii iio iir iiu ikc ike iki ikk iko ikr iku ikv io- ioc iod ioe ioi ioo ior iou iov iqc iqd iqe iqu ir- irc ird ire iri irk iro irq irr iru irv iu- iuc iud iue iui iur ivc ivd ive ivi ivo ivr ivu ivv kcc kcd kce kci kck kcr kcu kdc kde kdk kdo kdr kdu ke- kec ked kee kei kek keo ker kev kic kid kie kii kik kio kir kiu kiv kkc kke kki kkk kkr kku kkv koc kod koe koi kok koo kor kou kqv krc krd kri krk kro krr kru krv kuc kud kue kui kuk kur kuu kvi kvk kvo kvr kvv o-i oc- occ ocd oci ock oco ocr ocu ocv odc odd ode odi odo odr odu odv oec oed oee oei oeo oer oic oid oie oii oik oio oir oiu oiv okc okd oke oki okk oko okr oku oo- ooc ood ooi ook ooo oor oov oqo or- orc ord ore ori ork oro orr oru orv ou- ouc oud oue oui ouk ouo our ov- ovc ovd ove ovi ovo ovv qcc qcd qci qco qdr qec qed qee qeo qic qid qie qik qio qir qiu qki qoi qoo qor qqk qqq qqu qrc qre qri qru qu- qud que qui quo qur qv- qvc qvd qve rcc rcd rce rci rco rcr rcu rcv rdc rdd rde rdi rdo rdr rdu rdv re- rec red ree rei rek reo req rer reu rev ric rid rie rii rik rio riq rir riv rkc rke rkk rko rku rkv roc rod roe roi rok roo ror rou rov rqc rrc rrd rri rrk rrq rrr rru ruc rud rue rui ruk ruo rur ruu ruv rvc rvd rve rvi rvo rvr rvu rvv ucc ucd uce uci uck uco ucr ucu ucv udc udd ude udi udk udo udr udu udv uec ued uee uei uer uic uid uie uii uio uiq uir uiu ukc uke uki ukk ukr uku uoc uod uoe uok uoo uor ur- urc urd ure uri urk uro urr uru uuc uue uur uuu uvc uve uvo uvu uvv v-e vcc vcd vce vci vco vcr vcu vdc vdd vde vdi vdk vdo vdr vdu vdv vec ved vee vei vek veo ver veu vi- vic vid vie vii vik vio vir viu viv voc vod voe voi vok voo voq vor vou vov vrc vrd vre vri vrk vrr vru vue vuk vur vuv vvc vvi vvo vvr vvv