-er a-a a-c aaa aac aae aaj aar aau aav ac- aca acc ace acj acr acu acv aea aec aee aej aer aeu aev aja ajc aje ajj ajr aju ar- ara arc are arj arr aru arv au- aua auc aue auj aur auv av- ava avc ave avr avu c-- c-j caa cac cae caj car cau cav cca ccc cce ccj ccr ccu ccv ce- cea cec cee cej cer ceu cev cja cjc cjr cra crc cre crj crr cru crv cua cuc cue cur cuu cuv cva cvc cve cvr cvu cvv eaa eac eae eaj ear eau eav ec- eca ecc ece ecj ecr ecu ecv eea eec eee eer eev eja ejc eju era erc ere err eru erv eu- eua euc eue euj eur euv eva evc eve evr evv jaa jac jae jaj jar jau jav jca jcc jce jcr jcu jea jec jee jej jer jeu jja jjc jjj jjr jju jra jrc jrr jue jur juv jvc ra- raa rac rae raj rar rau rav rca rcc rce rcj rcr rcu rcv re- rea rec ree rer reu rev rja rjc rjr rra rrc rrr rru rua ruc rue rur ruu ruv rva rvc rve rvr rvu rvv ua- uaa uac uae uaj uar uau uav uca ucc uce ucj ucr ucu ucv uea uec uee uer ujc ur- ura urc ure urr uru uua uuc uue uur uuu uva uvc uve uvu uvv v-a v-e vaa vac vae vaj var vau vav vca vcc vce vcr vcu vea vec vee ver veu vja vra vrc vre vrr vru vue vur vuv vva vvc vvr vvv