-al -er -ol a-a a-c aaa aac aae aal aao aap aar aav ac- aca acc ace acl aco acp acr acv aea aec aee ael aeo aep aer aev al- ala alc ale all alo alp alr alv aoa aoc aoe aol aoo aop aor aov ap- apa apc ape apl apo app apr apv ar- ara arc are arl aro arp arr arv av- ava avc ave avl avo avp avr c-- caa cac cae cal cao cap car cav cca ccc cce ccl cco ccp ccr ccv ce- cea cec cee cel ceo cep cer cev cl- cla clc cle cll clo clp clr clv co- coa coc coe col coo cop cor cov cpa cpc cpe cpl cpo cpp cpr cpv cra crc cre crl cro crp crr crv cva cvc cve cvl cvo cvp cvr cvv eaa eac eae eal eao eap ear eav ec- eca ecc ece ecl eco ecr ecv eea eec eee eel eeo eep eer eev ela elc ele ell elo elp elr elv eo- eoa eoc eoe eol eoo eop eor ep- epa epc epe epl epo epp epr era erc ere erl ero erp err erv eva evc eve evl evo evp evr evv l-p la- laa lac lae lal lao lap lar lav lca lcc lce lcl lco lcp lcr lcv lea lec lee lel leo lep ler lev lla llc lle lll llo llp llr llv loa loc loe lol loo lop lor lov lpa lpc lpe lpl lpo lpp lpr lpv lra lrc lro lrp lrr lrv lva lvc lve lvl lvp lvr lvv oaa oac oae oal oao oap oar oav oc- oca occ ocl oco ocp ocr ocv oea oec oee oel oeo oep oer ola olc ole oll olo olp oo- ooa ooc ool ooo oop oor oov op- opa opc ope opl opo opp opr opv or- ora orc ore orl oro orp orr orv ov- ova ovc ove ovl ovo ovp ovv p-p paa pac pae pal pao pap par pav pca pcc pce pcl pco pcp pcr pcv pea pec pee pel peo pep per pev pla plc ple pll plo plp plr plv poa poc poe pol poo pop por pov ppa ppc ppe ppl ppo ppp ppr ppv pra prc pre prl pro prp prr prv pva pvc pve pvl pvo pvp pvr pvv ra- raa rac rae ral rao rap rar rav rca rcc rce rcl rco rcp rcr rcv re- rea rec ree rel reo rep rer rev rla rlc rle rll rlo rlp rlr roa roc roe rol roo rop ror rov rpa rpc rpe rpl rpo rpp rpr rpv rra rrc rrl rrp rrr rva rvc rve rvl rvo rvp rvr rvv v-a v-e vaa vac vae val vao vap var vav vca vcc vce vcl vco vcp vcr vea vec vee vel veo vep ver vl- vla vlc vle vll vlo vlp vlv voa voc voe vol voo vop vor vov vpa vpc vpe vpl vpo vpp vpr vra vrc vre vrp vrr vva vvc vvo vvr vvv