-er a-a aaa aae aah aak aan aao aap aar aea aee aeh aek aen aeo aep aer aha ahe ahh ahk ahn aho ahp ahr aka ake akh akk akn ako akp akr an- ana ane anh ank ann ano anp anr aoa aoe aoh aok aon aoo aop aor ap- apa ape aph apk apn apo app apr ar- ara are arh ark arn aro arp arr eaa eae eah eak ean eao eap ear eea eee eek een eeo eep eer eha ehe ehh ehn eho ehp ehr eka eke ekh eko ekp ekr en- ena ene enh enk enn eno enp enr eo- eoa eoe eoh eok eon eoo eop eor ep- epa epe eph epn epo epp epr era ere erh erk ern ero erp err haa hae hah hak han hao hap har he- hea hee heh hek hen heo hep her hha hhe hhh hhk hhn hho hhp hhr hka hkh hkk hkn hko hkp hkr hna hne hnh hnk hnn hno hoa hoe hoh hok hon hoo hop hor hpa hpe hph hpk hpn hpo hpp hpr hr- hra hre hrh hrk hrn hro hrp hrr ka- kaa kae kah kak kan kao kap kar ke- kea kee keh kek ken keo kep ker kha khe khh khk khn kho khr kke kkh kkk kkn kkp kkr kn- kna kne knk knn kno knp knr koa koe koh kok kon koo kop kor kpa kpe kph kpk kpn kpo kpp kpr kra krk krn kro krp krr naa nae nah nak nan nao nap nar ne- nea nee neh nek nen neo nep ner nha nhe nhh nhk nhn nhp nhr nka nke nkk nkn nko nkp nkr nna nne nnh nnk nnn nno nnp no- noa noe noh nok non noo nop nor npa npe nph npn npo npp npr nra nre nrk nrn nro nrp nrr oaa oae oah oak oan oao oap oar oea oee oeh oen oeo oep oer oha ohe ohh ohn oho ohp ohr oka oke okk oko okp okr on- ona one onh onk onn ono onp onr oo- ooa ooh ook oon ooo oop oor op- opa ope oph opk opn opo opp opr or- ora ore orh ork orn oro orp orr p-p paa pae pah pak pan pao pap par pea pee peh pek pen peo pep per pha phe phk phn pho php phr pka pke pkn pko pkp pkr pn- pna pne pnh pnk pnn pno pnp pnr poa poe poh pok pon poo pop por ppa ppe pph ppk ppn ppo ppp ppr pra pre prh prk prn pro prp prr ra- raa rae rah rak ran rao rap rar re- rea ree reh rek ren reo rep rer rh- rha rhe rhh rhn rho rhp rhr rke rkk rko rkp rna rnh rnn rno rnp rnr roa roe roh rok ron roo rop ror rpa rpe rph rpk rpn rpo rpp rpr rra rrh rrk rrn rrp rrr