-er a-a a-c aaa aac aae aag aah aak aao aar aau aav ac- aca acc ace acg ach ack aco acr acu acv aea aec aee aeg aeh aek aeo aer aeu aev ag- aga agc age agg agh agk ago agr agu agv aha ahc ahe ahg ahh ahk aho ahr ahu ahv aka akc ake akg akh akk ako akr aku akv aoa aoc aoe aog aoh aok aoo aor aou aov ar- ara arc are arg arh ark aro arr aru arv au- aua auc aue aug auh auk auo aur auv av- ava avc ave avg avh avk avo avr avu c-- caa cac cae cag cah cak cao car cau cav cca ccc cce ccg cch cck cco ccr ccu ccv ce- cea cec cee ceg ceh cek ceo cer ceu cev cga cgc cge cgg cgh cgo cgr cgu cgv ch- cha chc che chg chh chk cho chr chu chv cka ckc ckh cko co- coa coc coe cog coh cok coo cor cou cov cra crc cre crg crh crk cro crr cru crv cua cuc cue cug cuh cuk cuo cur cuu cuv cva cvc cve cvg cvh cvk cvo cvr cvu cvv eaa eac eae eag eah eak eao ear eau eav ec- eca ecc ece ecg ech eck eco ecr ecu ecv eea eec eee eeg eek eeo eer eev ega egc ege egg egh ego egr egu eha ehc ehe ehg ehh eho ehr ehu ehv eka ekc eke ekg ekh eko ekr eku ekv eo- eoa eoc eoe eog eoh eok eoo eor eou era erc ere erg erh erk ero err eru erv eu- eua euc eue eug eur euv eva evc eve evg evh evo evr evv gaa gac gae gag gah gak gao gar gau gav gca gcc gce gcg gch gck gco gcr gcu ge- gea gec gee geg geh gek geo ger geu gev gga ggc ggg ggh ggo ggr ggu ggv gha ghc ghe ghg ghh gho ghr gka gkh gko goa goc goe gog goh gok goo gor gou gov gra grc gre grg grh grk gro grr gru grv gu- gua guc gue gug guk guo gur guu guv gva gvc gve gvg gvh gvk gvo gvr gvu haa hac hae hag hah hak hao har hau hav hca hcc hce hcg hch hck hco hcr hcv he- hea hec hee heg heh hek heo her heu hev hga hgc hge hgg hgh hgk hgo hgr hgu hgv hha hhc hhe hhg hhh hhk hho hhr hhu hhv hka hkg hkh hkk hko hkr hku hoa hoc hoe hog hoh hok hoo hor hou hov hr- hra hrc hre hrg hrh hrk hro hrr hru hrv hua huc hue hug huh huk huo hur huu huv hv- hva hvc hvg hvk hvo hvr hvv ka- kaa kac kae kag kah kak kao kar kau kav kca kcc kce kcg kch kck kcr kcu ke- kea kec kee keg keh kek keo ker kev kga kgc kgh kgo kgu kgv kha khe khh khk kho khr khu khv kkc kke kkh kkk kkr kku kkv koa koc koe kog koh kok koo kor kou kra krc krg krk kro krr kru krv kuc kue kug kuh kuk kur kuu kva kvh kvk kvo kvr kvv oaa oac oae oag oah oak oao oar oau oav oc- oca occ ocg och ock oco ocr ocu ocv oea oec oee oeg oeh oeo oer oga ogc oge ogg ogh ogo oha ohc ohe ohg ohh oho ohr ohu oka okc oke okg okk oko okr oku oo- ooa ooc oog ooh ook ooo oor oov or- ora orc ore org orh ork oro orr oru orv ou- oua ouc oue ouh ouk ouo our ov- ova ovc ove ovh ovo ovv ra- raa rac rae rag rah rak rao rar rau rav rca rcc rce rcg rch rco rcr rcu rcv re- rea rec ree reg reh rek reo rer reu rev rga rgc rge rgg rgh rgk rgo rgr rgv rh- rha rhc rhe rhg rhh rho rhr rhu rhv rkc rke rkg rkk rko rku rkv roa roc roe rog roh rok roo ror rou rov rra rrc rrg rrh rrk rrr rru rua ruc rue rug ruh ruk ruo rur ruu ruv rva rvc rve rvg rvh rvo rvr rvu rvv ua- uaa uac uae uag uah uak uao uar uau uav uca ucc uce ucg uch uck uco ucr ucu ucv uea uec uee ueg ueh uer uga ugc uge ugg ugh ugk ugo ugr ugu uha uhc uhe uhh uho uhr uhu uhv uka ukc uke ukk ukr uku uoa uoc uoe uog uok uoo uor ur- ura urc ure urg urk uro urr uru uua uuc uue uug uur uuu uva uvc uve uvo uvu uvv v-a v-e vaa vac vae vag vah vak vao var vau vav vca vcc vce vch vco vcr vcu vea vec vee veg veh vek veo ver veu vga vgc vgg vgh vgo vgr vgu vh- vha vhc vhe vho vka vkg voa voc voe vog voh vok voo vor vou vov vra vrc vre vrg vrh vrk vrr vru vue vug vuk vur vuv vva vvc vvg vvo vvr vvv