-er -ic c-- ccc cce cci cco ccr cct ccu ccv ce- cec cee cei ceo ceq cer cet ceu cev ci- cic cie cii cio ciq cir cit ciu civ co- coc coe coi coo coq cor cot cou cov cqc cqi cqo cqt crc cre cri cro crq crr crt cru crv ctc cte cti cto ctq ctr ctt ctu ctv cuc cue cui cuo cuq cur cut cuu cuv cvc cve cvi cvo cvr cvt cvu cvv ec- ecc ece eci eco ecq ecr ect ecu ecv eec eee eeo eer eet eev eic eie eii eio eir eit eiu eiv eo- eoc eoe eoi eoo eoq eor eot eou eqe eqq eqt equ eqv erc ere eri ero erq err ert eru erv etc ete eti eto etr ett etu etv eu- euc eue eui eur eut euv evc eve evi evo evr evt evv i-v icc ice ici ico icq icr ict icu icv ie- iec iee iei ier iet iev iic iie iii iio iir iit iiu io- ioc ioe ioi ioo ior iot iou iov iqc iqe iqt iqu ir- irc ire iri iro irq irr irt iru irv itc ite iti ito itq itt itu itv iu- iuc iue iui iur iut ivc ive ivi ivo ivr ivt ivu ivv o-i oc- occ oci oco ocr oct ocu ocv oec oee oei oeo oer oet oic oie oii oio oir oit oiu oiv oo- ooc ooi ooo oor oot oov oqo or- orc ore ori oro orr ort oru orv ot- otc ote oti oto otr ott otu otv ou- ouc oue oui ouo our out ov- ovc ove ovi ovo ovv qcc qci qco qct qec qee qeo qet qic qie qio qir qit qiu qoi qoo qor qqq qqu qrc qre qri qrt qru qtc qti qto qtq qtr qtv qu- que qui quo qur qut qv- qvc qve qvt rcc rce rci rco rcr rct rcu rcv re- rec ree rei reo req rer ret reu rev ric rie rii rio riq rir rit riv roc roe roi roo ror rot rou rov rqc rrc rri rrq rrr rrt rru rtc rte rti rto rtq rtr rtt rtu rtv ruc rue rui ruo rur rut ruu ruv rvc rve rvi rvo rvr rvt rvu rvv tcc tce tci tco tcr tct tcu tcv te- tec tee tei teo teq ter tet teu tev tic tie tii tio tir tit tiu tiv to- toc toe toi too toq tor tot tou tov tqo trc tre tri tro trq trr trt tru trv ttc tte tti tto ttr ttt ttu ttv tuc tue tui tuo tur tut tuu tuv tvc tve tvi tvo tvq tvr tvt tvu ucc uce uci uco ucr uct ucu ucv uec uee uei uer uet uic uie uii uio uiq uir uit uiu uoc uoe uoo uor uot ur- urc ure uri uro urr urt uru utc ute uti uto utr utt utu utv uuc uue uur uut uuu uvc uve uvo uvu uvv v-e vcc vce vci vco vcr vct vcu vec vee vei veo ver vet veu vi- vic vie vii vio vir vit viu viv voc voe voi voo voq vor vot vou vov vrc vre vri vrr vrt vru vtc vte vti vto vtr vtt vtu vtv vue vur vut vuv vvc vvi vvo vvr vvt vvv