-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aai aar aat aau aav ab- aba abb abc abe abf abi abr abt abu abv ac- aca acb acc ace acf aci acr act acu acv aea aeb aec aee aef aei aer aet aeu aev af- afa afb afc afe aff afi afr aft afu afv ai- aia aib aic aie aif aii air ait aiu aiv ar- ara arb arc are arf ari arr art aru arv at- ata atb atc ate atf ati atr att atu atv au- aua aub auc aue auf aui aur aut auv av- ava avb avc ave avf avi avr avt avu b-u baa bab bac bae baf bai bar bat bau bav bba bbb bbc bbe bbf bbi bbr bbt bbu bca bcb bcc bce bcf bci bcr bct bcu bcv be- bea beb bec bee bef bei ber bet beu bev bfa bfb bfc bfe bff bfi bfr bft bfu bfv bi- bia bib bic bie bif bii bir bit biu biv bra brb bre brf bri brr brt bru brv bta btb btc bte btf bti btr btt btu btv bua bub buc bue buf bui bur but buu bva bvb bvc bve bvi bvr bvt bvu bvv c-- caa cab cac cae caf cai car cat cau cav cba cbb cbc cbe cbf cbi cbr cbt cbu cbv cca ccb ccc cce ccf cci ccr cct ccu ccv ce- cea ceb cec cee cef cei cer cet ceu cev cfa cfb cfc cfe cff cfi cfr cft cfu cfv ci- cia cib cic cie cif cii cir cit ciu civ cra crb crc cre crf cri crr crt cru crv cta ctb ctc cte ctf cti ctr ctt ctu ctv cua cub cuc cue cuf cui cur cut cuu cuv cva cvb cvc cve cvf cvi cvr cvt cvu cvv eaa eab eac eae eaf eai ear eat eau eav eba ebb ebc ebe ebf ebi ebr ebt ebu ebv ec- eca ecb ecc ece ecf eci ecr ect ecu ecv eea eeb eec eee eef eer eet eev ef- efa efb efc efe eff efi efr eft eia eib eic eie eif eii eir eit eiu eiv era erb erc ere erf eri err ert eru erv eta etb etc ete etf eti etr ett etu etv eu- eua eub euc eue euf eui eur eut euv eva evb evc eve evf evi evr evt evv faa fab fac fae faf fai far fat fau fav fba fbb fbc fbe fbf fbi fbr fbt fbu fca fcb fcc fce fcf fci fcr fct fcu fcv fea feb fec fee fef fei fer fet feu fev ffa ffc ffe fff ffi ffr fft ffu ffv fia fib fic fie fif fii fir fit fiu fra frb frc fre frf fri frr frt fru fta ftb ftc fte ftf fti ftr ftt ftu ftv fua fub fue fuf fui fur fut fuu fuv fva fvc fvt i-f i-v ia- iaa iab iac iae iaf iai iar iat iau iav iba ibb ibc ibe ibf ibi ibr ibt ibu ibv ica icb icc ice icf ici icr ict icu icv ie- iea iec iee ief iei ier iet iev ifa ifb ifc ife iff ifi ifr ift ifu iia iib iic iie iif iii iir iit iiu ir- ira irb irc ire irf iri irr irt iru irv ita itb itc ite itf iti itt itu itv iu- iua iub iuc iue iui iur iut iva ivb ivc ive ivf ivi ivr ivt ivu ivv ra- raa rab rac rae raf rai rar rat rau rav rba rbb rbc rbe rbf rbi rbr rbt rbu rca rcb rcc rce rcf rci rcr rct rcu rcv re- rea reb rec ree ref rei rer ret reu rev rfa rfb rfc rfe rff rfi rfr rft rfu rfv ria rib ric rie rif rii rir rit riv rra rrb rrc rrf rri rrr rrt rru rta rtb rtc rte rtf rti rtr rtt rtu rtv rua rub ruc rue ruf rui rur rut ruu ruv rva rvb rvc rve rvf rvi rvr rvt rvu rvv taa tab tac tae taf tai tar tat tau tav tba tbb tbc tbe tbf tbi tbr tbt tbu tbv tca tcb tcc tce tcf tci tcr tct tcu tcv te- tea teb tec tee tef tei ter tet teu tev tfa tfb tfc tfe tff tfi tfr tft tfu tia tib tic tie tif tii tir tit tiu tiv tra trb trc tre trf tri trr trt tru trv tta ttb ttc tte ttf tti ttr ttt ttu ttv tua tub tuc tue tuf tui tur tut tuu tuv tva tvb tvc tve tvf tvi tvr tvt tvu ua- uaa uab uac uae uaf uai uar uat uau uav uba ubb ubc ube ubf ubi ubr ubt ubu ubv uca ucb ucc uce ucf uci ucr uct ucu ucv uea ueb uec uee uef uei uer uet ufa ufc ufe uff ufi ufr uft ufu ufv uia uib uic uie uif uii uir uit uiu ur- ura urb urc ure urf uri urr urt uru uta utb utc ute utf uti utr utt utu utv uua uuc uue uur uut uuu uva uvb uvc uve uvf uvu uvv v-a v-e vaa vab vac vae vai var vat vau vav vba vbc vbi vbr vbv vca vcc vce vcf vci vcr vct vcu vea veb vec vee vef vei ver vet veu vfa vfb vfc vff vfi vfr vft vfu vfv vi- via vib vic vie vif vii vir vit viu viv vra vrb vrc vre vrf vri vrr vrt vru vta vtb vtc vte vti vtr vtt vtu vtv vue vur vut vuv vva vvb vvc vvi vvr vvt vvv

-vac a-be a-fu a-ii a-iv aaaa aaab aaac aaae aaaf aaai aaar aaav aaba aabb aabc aabi aabt aaca aacb aacc aace aacf aaci aacr aact aacu aacv aaea aaec aaev aafa aafb