-er -ic a-a a-b a-c a-i aaa aab aac aae aai aan aar aau aav ab- aba abb abc abe abi abn abr abu abv ac- aca acb acc ace aci acn acr acu acv aea aeb aec aee aei aen aer aeu aev ai- aia aib aic aie aii ain air aiu aiv an- ana anb anc ane ani ann anr anu anv ar- ara arb arc are ari arn arr aru arv au- aua aub auc aue aui aun aur auv av- ava avb avc ave avi avn avr avu b-u baa bab bac bae bai ban bar bau bav bba bbb bbc bbe bbi bbn bbr bbu bca bcb bcc bce bci bcn bcr bcu bcv be- bea beb bec bee bei ben ber beu bev bi- bia bib bic bie bii bin bir biu biv bna bnb bnc bne bni bnn bnr bnu bnv bra brb bre bri brn brr bru brv bua bub buc bue bui bun bur buu bva bvb bvc bve bvi bvn bvr bvu bvv c-- caa cab cac cae cai can car cau cav cba cbb cbc cbe cbi cbn cbr cbu cbv cca ccb ccc cce cci ccn ccr ccu ccv ce- cea ceb cec cee cei cen cer ceu cev ci- cia cib cic cie cii cin cir ciu civ cn- cna cnb cnc cne cni cnn cnr cnu cnv cra crb crc cre cri crn crr cru crv cua cub cuc cue cui cun cur cuu cuv cva cvb cvc cve cvi cvn cvr cvu cvv eaa eab eac eae eai ean ear eau eav eba ebb ebc ebe ebi ebn ebr ebu ebv ec- eca ecb ecc ece eci ecn ecr ecu ecv eea eeb eec eee een eer eev eia eib eic eie eii ein eir eiu eiv en- ena enb enc ene eni enn enr enu env era erb erc ere eri ern err eru erv eu- eua eub euc eue eui eun eur euv eva evb evc eve evi evn evr evv i-v ia- iaa iab iac iae iai ian iar iau iav iba ibb ibc ibe ibi ibn ibr ibu ibv ica icb icc ice ici icn icr icu icv ie- iea iec iee iei ien ier iev iia iib iic iie iii iin iir iiu in- ina inb inc ine ini inn inr inu inv ir- ira irb irc ire iri irn irr iru irv iu- iua iub iuc iue iui iur iva ivb ivc ive ivi ivr ivu ivv n-i naa nab nac nae nai nan nar nau nav nba nbb nbc nbe nbi nbn nbr nbu nbv nca ncb ncc nce nci ncn ncr ncu ncv ne- nea neb nec nee nei nen ner neu nev nia nib nic nie nii nin nir niu niv nna nnb nnc nne nni nnn nnu nnv nra nrb nrc nre nri nrn nrr nru nrv nua nub nuc nue nui nun nur nuu nuv nva nvb nvc nve nvi nvn nvu nvv ra- raa rab rac rae rai ran rar rau rav rba rbb rbc rbe rbi rbn rbr rbu rca rcb rcc rce rci rcn rcr rcu rcv re- rea reb rec ree rei ren rer reu rev ria rib ric rie rii rin rir riv rna rnb rnc rni rnn rnr rnu rnv rra rrb rrc rri rrn rrr rru rua rub ruc rue rui run rur ruu ruv rva rvb rvc rve rvi rvn rvr rvu rvv ua- uaa uab uac uae uai uan uar uau uav uba ubb ubc ube ubi ubn ubr ubu ubv uca ucb ucc uce uci ucn ucr ucu ucv uea ueb uec uee uei uen uer uia uib uic uie uii uin uir uiu un- una unb unc une uni unn unr unu unv ur- ura urb urc ure uri urn urr uru uua uuc uue uun uur uuu uva uvb uvc uve uvu uvv v-a v-e vaa vab vac vae vai van var vau vav vba vbc vbi vbr vbv vca vcc vce vci vcn vcr vcu vea veb vec vee vei ven ver veu vi- via vib vic vie vii vin vir viu viv vn- vna vni vnr vnu vnv vra vrb vrc vre vri vrn vrr vru vue vur vuv vva vvb vvc vvi vvr vvv