-er a-a a-c aaa aac aae aag aah aao aap aar aav ac- aca acc ace acg ach aco acp acr acv aea aec aee aeg aeh aeo aep aer aev ag- aga agc age agg agh ago agp agr agv aha ahc ahe ahg ahh aho ahp ahr ahv aoa aoc aoe aog aoh aoo aop aor aov ap- apa apc ape apg aph apo app apr apv ar- ara arc are arg arh aro arp arr arv av- ava avc ave avg avh avo avp avr c-- caa cac cae cag cah cao cap car cav cca ccc cce ccg cch cco ccp ccr ccv ce- cea cec cee ceg ceh ceo cep cer cev cga cgc cge cgg cgh cgo cgp cgr cgv ch- cha chc che chg chh cho chp chr chv co- coa coc coe cog coh coo cop cor cov cpa cpc cpe cpg cph cpo cpp cpr cpv cra crc cre crg crh cro crp crr crv cva cvc cve cvg cvh cvo cvp cvr cvv eaa eac eae eag eah eao eap ear eav ec- eca ecc ece ecg ech eco ecr ecv eea eec eee eeg eeo eep eer eev ega egc ege egg egh ego egp egr eha ehc ehe ehg ehh eho ehp ehr ehv eo- eoa eoc eoe eog eoh eoo eop eor ep- epa epc epe epg eph epo epp epr era erc ere erg erh ero erp err erv eva evc eve evg evh evo evp evr evv g-p gaa gac gae gag gah gao gap gar gav gca gcc gce gcg gch gco gcp gcr ge- gea gec gee geg geh geo gep ger gev gga ggc ggg ggh ggo ggp ggr ggv gha ghc ghe ghg ghh gho ghp ghr goa goc goe gog goh goo gop gor gov gpa gpc gpe gpg gph gpo gpp gpr gra grc gre grg grh gro grp grr grv gva gvc gve gvg gvh gvo gvp gvr haa hac hae hag hah hao hap har hav hca hcc hce hcg hch hco hcp hcr hcv he- hea hec hee heg heh heo hep her hev hga hgc hge hgg hgh hgo hgp hgr hgv hha hhc hhe hhg hhh hho hhp hhr hhv hoa hoc hoe hog hoh hoo hop hor hov hpa hpc hpe hpg hph hpo hpp hpr hpv hr- hra hrc hre hrg hrh hro hrp hrr hrv hv- hva hvc hvg hvo hvp hvr hvv oaa oac oae oag oah oao oap oar oav oc- oca occ ocg och oco ocp ocr ocv oea oec oee oeg oeh oeo oep oer oga ogc oge ogg ogh ogo ogp oha ohc ohe ohg ohh oho ohp ohr oo- ooa ooc oog ooh ooo oop oor oov op- opa opc ope opg oph opo opp opr opv or- ora orc ore org orh oro orp orr orv ov- ova ovc ove ovh ovo ovp ovv p-p paa pac pae pag pah pao pap par pav pca pcc pce pcg pch pco pcp pcr pcv pea pec pee peg peh peo pep per pev pga pgc pge pgg pgh pgo pgp pgr pgv pha phc phe phg pho php phr phv poa poc poe pog poh poo pop por pov ppa ppc ppe ppg pph ppo ppp ppr ppv pra prc pre prg prh pro prp prr prv pva pvc pve pvg pvh pvo pvp pvr pvv ra- raa rac rae rag rah rao rap rar rav rca rcc rce rcg rch rco rcp rcr rcv re- rea rec ree reg reh reo rep rer rev rga rgc rge rgg rgh rgo rgp rgr rgv rh- rha rhc rhe rhg rhh rho rhp rhr rhv roa roc roe rog roh roo rop ror rov rpa rpc rpe rpg rph rpo rpp rpr rpv rra rrc rrg rrh rrp rrr rva rvc rve rvg rvh rvo rvp rvr rvv v-a v-e vaa vac vae vag vah vao vap var vav vca vcc vce vch vco vcp vcr vea vec vee veg veh veo vep ver vga vgc vgg vgh vgo vgp vgr vh- vha vhc vhe vho vhp voa voc voe vog voh voo vop vor vov vpa vpc vpe vpg vph vpo vpp vpr vra vrc vre vrg vrh vrp vrr vva vvc vvg vvo vvr vvv