-al -er -ol a-a a-b a-c aaa aab aac aae aal aam aao aar aau aav ab- aba abb abc abe abl abm abo abr abu abv ac- aca acb acc ace acl acm aco acr acu acv aea aeb aec aee ael aem aeo aer aeu aev al- ala alb alc ale all alm alo alr alu alv ama amb amc ame aml amm amo amr amu amv aoa aob aoc aoe aol aom aoo aor aou aov ar- ara arb arc are arl arm aro arr aru arv au- aua aub auc aue aul aum auo aur auv av- ava avb avc ave avl avm avo avr avu b-u baa bab bac bae bal bam bao bar bau bav bba bbb bbc bbe bbl bbm bbo bbr bbu bca bcb bcc bce bcl bcm bco bcr bcu bcv be- bea beb bec bee bel bem beo ber beu bev bla blb blc ble bll blm blo blr blu blv bma bmb bmc bme bml bmm bmo bmr bmu bmv boa bob boc boe bol bom boo bor bou bov bra brb bre brl brm bro brr bru brv bua bub buc bue bul bum buo bur buu bva bvb bvc bve bvl bvm bvo bvr bvu bvv c-- caa cab cac cae cal cam cao car cau cav cba cbb cbc cbe cbl cbm cbo cbr cbu cbv cca ccb ccc cce ccl ccm cco ccr ccu ccv ce- cea ceb cec cee cel cem ceo cer ceu cev cl- cla clb clc cle cll clm clo clr clu clv cma cmb cmc cme cml cmm cmo cmr cmu cmv co- coa cob coc coe col com coo cor cou cov cra crb crc cre crl crm cro crr cru crv cua cub cuc cue cul cum cuo cur cuu cuv cva cvb cvc cve cvl cvm cvo cvr cvu cvv eaa eab eac eae eal eam eao ear eau eav eba ebb ebc ebe ebl ebm ebo ebr ebu ebv ec- eca ecb ecc ece ecl ecm eco ecr ecu ecv eea eeb eec eee eel eem eeo eer eev ela elb elc ele ell elm elo elr elu elv em- ema emb emc eme eml emm emo emr emu emv eo- eoa eob eoc eoe eol eom eoo eor eou era erb erc ere erl erm ero err eru erv eu- eua eub euc eue eul eur euv eva evb evc eve evl evm evo evr evv la- laa lab lac lae lal lam lao lar lau lav lba lbb lbc lbe lbl lbm lbo lbr lbu lbv lca lcb lcc lce lcl lcm lco lcr lcu lcv lea leb lec lee lel lem leo ler leu lev lla llb llc lle lll llm llo llr llu llv lma lmb lmc lme lml lmm lmo lmr lmu lmv loa lob loc loe lol lom loo lor lou lov lra lrb lrc lrm lro lrr lru lrv lua lub luc lue lul lum luo lur luu luv lva lvb lvc lve lvl lvm lvr lvv m-o m-r m-v maa mab mac mae mal mam mao mar mau mav mba mbb mbc mbe mbl mbm mbo mbr mbu mbv mc- mca mcb mcc mce mcl mcm mco mcr mcu mcv mea meb mec mee mel mem meo mer meu mev mla mlb mlc mle mll mlm mlo mlr mlu mlv mma mmb mmc mme mml mmm mmo mmr mmu mmv moa mob moc moe mol mom moo mor mou mov mra mrb mrc mre mrl mrm mro mrr mru mrv mua mub muc mue mul mum mur muu mva mvb mvc mve mvl mvm mvo mvr mvv oaa oab oac oae oal oam oao oar oau oav ob- oba obb obc obe obl obm obo obr obu obv oc- oca ocb occ ocl ocm oco ocr ocu ocv oea oeb oec oee oel oem oeo oer ola olb olc ole oll olm olo olu om- oma omb omc ome oml omm omo omr omu omv oo- ooa oob ooc ool oom ooo oor oov or- ora orb orc ore orl orm oro orr oru orv ou- oua ouc oue oul oum ouo our ov- ova ovb ovc ove ovl ovo ovv ra- raa rab rac rae ral ram rao rar rau rav rba rbb rbc rbe rbl rbm rbo rbr rbu rca rcb rcc rce rcl rcm rco rcr rcu rcv re- rea reb rec ree rel rem reo rer reu rev rla rlc rle rll rlm rlo rlr rlu rma rmb rmc rme rml rmm rmo rmr rmv roa rob roc roe rol rom roo ror rou rov rra rrb rrc rrl rrm rrr rru rua rub ruc rue rum ruo rur ruu ruv rva rvb rvc rve rvl rvm rvo rvr rvu rvv ua- uaa uab uac uae ual uam uao uar uau uav uba ubb ubc ube ubl ubo ubr ubu ubv uca ucb ucc uce ucl ucm uco ucr ucu ucv uea ueb uec uee uel uem uer ula ulb ulc ule ull ulm ulo ulr ulu ulv um- uma umb umc ume uml umm umo umr umu uoa uob uoc uoe uol uom uoo uor ur- ura urb urc ure url urm uro urr uru uua uuc uue uum uur uuu uva uvb uvc uve uvl uvm uvo uvu uvv v-a v-e vaa vab vac vae val vam vao var vau vav vba vbc vbl vbm vbo vbr vbv vca vcc vce vcl vcm vco vcr vcu vea veb vec vee vel vem veo ver veu vl- vla vlb vlc vle vll vlm vlo vlv vm- vma vmc vmm vmo vmr vmu voa vob voc voe vol vom voo vor vou vov vra vrb vrc vre vrm vrr vru vue vul vum vur vuv vva vvb vvc vvm vvo vvr vvv