-er a-a a-c a-t aaa aac aae aan aar aat aau aav ac- aca acc ace acn acr act acu acv aea aec aee aen aer aet aeu aev an- ana anc ane ann anr ant anu anv ar- ara arc are arn arr art aru arv at- ata atc ate atn atr att atu atv au- aua auc aue aun aur aut auv av- ava avc ave avn avr avt avu c-- caa cac cae can car cat cau cav cca ccc cce ccn ccr cct ccu ccv ce- cea cec cee cen cer cet ceu cev cn- cna cnc cne cnn cnr cnt cnu cnv cra crc cre crn crr crt cru crv cta ctc cte ctn ctr ctt ctu ctv cua cuc cue cun cur cut cuu cuv cva cvc cve cvn cvr cvt cvu cvv eaa eac eae ean ear eat eau eav ec- eca ecc ece ecn ecr ect ecu ecv eea eec eee een eer eet eev en- ena enc ene enn enr ent enu env era erc ere ern err ert eru erv eta etc ete etn etr ett etu etv eu- eua euc eue eun eur eut euv eva evc eve evn evr evt evv naa nac nae nan nar nat nau nav nca ncc nce ncn ncr nct ncu ncv ne- nea nec nee nen ner net neu nev nna nnc nne nnn nnt nnu nnv nra nrc nre nrn nrr nrt nru nrv nta ntc nte ntn ntr ntt ntu ntv nua nuc nue nun nur nut nuu nuv nva nvc nve nvn nvt nvu nvv ra- raa rac rae ran rar rat rau rav rca rcc rce rcn rcr rct rcu rcv re- rea rec ree ren rer ret reu rev rna rnc rnn rnr rnt rnu rnv rra rrc rrn rrr rrt rru rta rtc rte rtn rtr rtt rtu rtv rua ruc rue run rur rut ruu ruv rva rvc rve rvn rvr rvt rvu rvv taa tac tae tan tar tat tau tav tca tcc tce tcn tcr tct tcu tcv te- tea tec tee ten ter tet teu tev tna tnc tne tnn tnr tnt tra trc tre trn trr trt tru trv tta ttc tte ttn ttr ttt ttu ttv tua tuc tue tun tur tut tuu tuv tva tvc tve tvn tvr tvt tvu ua- uaa uac uae uan uar uat uau uav uca ucc uce ucn ucr uct ucu ucv uea uec uee uen uer uet un- una unc une unn unr unt unu unv ur- ura urc ure urn urr urt uru uta utc ute utn utr utt utu utv uua uuc uue uun uur uut uuu uva uvc uve uvu uvv v-a v-e vaa vac vae van var vat vau vav vca vcc vce vcn vcr vct vcu vea vec vee ven ver vet veu vn- vna vnr vnu vnv vra vrc vre vrn vrr vrt vru vta vtc vte vtr vtt vtu vtv vue vur vut vuv vva vvc vvr vvt vvv