-er a-a a-i aaa aad aae aai aak aao aap aar aav ad- ada add ade adi adk ado adp adr adv aea aed aee aei aek aeo aep aer aev ai- aia aid aie aii aik aio aip air aiv aka akd ake aki akk ako akp akr akv aoa aod aoe aoi aok aoo aop aor aov ap- apa apd ape api apk apo app apr apv ar- ara ard are ari ark aro arp arr arv av- ava avd ave avi avk avo avp avr daa dad dae dai dak dao dap dar dav dda ddd dde ddi ddk ddo ddp ddr de- dea ded dee dei dek deo dep der dev di- dia did die dii dik dio dip dir div dka dke dki dkk dko dkp dkr doa dod doe doi dok doo dop dor dov dpa dpd dpe dpi dpk dpo dpp dpr dpv dra drd dre dri drk dro drp drr drv dva dvd dve dvi dvk dvp dvr eaa ead eae eai eak eao eap ear eav ed- eda edd ede edi edk edo edp edr eea eed eee eek eeo eep eer eev eia eid eie eii eik eio eip eir eiv eka ekd eke eki eko ekp ekr ekv eo- eoa eod eoe eoi eok eoo eop eor ep- epa epd epe epi epo epp epr era erd ere eri erk ero erp err erv eva evd eve evi evo evp evr evv i-d i-v ia- iaa iad iae iai iao iap iar iav ida idd ide idi idk ido idp idr idv ie- iea ied iee iei iek iep ier iev iia iid iie iii iio iip iir ika ike iki ikk iko ikr ikv io- ioa iod ioe ioi ioo iop ior iov ipa ipd ipe ipi ipo ipp ipr ipv ir- ira ird ire iri irk iro irp irr irv iva ivd ive ivi ivo ivp ivr ivv ka- kaa kad kae kai kak kao kap kar kav kda kde kdk kdo kdp kdr ke- kea ked kee kei kek keo kep ker kev kia kid kie kii kik kio kip kir kiv kke kki kkk kkp kkr kkv koa kod koe koi kok koo kop kor kpa kpd kpe kpi kpk kpo kpp kpr kpv kra krd kri krk kro krp krr krv kva kvi kvk kvo kvp kvr kvv o-i oaa oad oae oai oak oao oap oar oav oda odd ode odi odo odp odr odv oea oed oee oei oeo oep oer oia oid oie oii oik oio oip oir oiv oka okd oke oki okk oko okp okr oo- ooa ood ooi ook ooo oop oor oov op- opa opd ope opi opk opo opp opr opv or- ora ord ore ori ork oro orp orr orv ov- ova ovd ove ovi ovo ovp ovv p-p paa pad pae pai pak pao pap par pav pda pdd pde pdi pdk pdo pdp pdr pdv pea ped pee pei pek peo pep per pev pia pid pie pii pik pio pip pir piv pka pkd pke pki pko pkp pkr poa pod poe poi pok poo pop por pov ppa ppd ppe ppi ppk ppo ppp ppr ppv pra prd pre pri prk pro prp prr prv pva pvd pve pvi pvk pvo pvp pvr pvv ra- raa rad rae rai rak rao rap rar rav rda rdd rde rdi rdo rdp rdr rdv re- rea red ree rei rek reo rep rer rev ria rid rie rii rik rio rip rir riv rke rkk rko rkp rkv roa rod roe roi rok roo rop ror rov rpa rpd rpe rpi rpk rpo rpp rpr rpv rra rrd rri rrk rrp rrr rva rvd rve rvi rvo rvp rvr rvv v-a v-e vaa vad vae vai vak vao vap var vav vdd vde vdi vdk vdo vdp vdr vdv vea ved vee vei vek veo vep ver vi- via vid vie vii vik vio vip vir viv vka vkp voa vod voe voi vok voo vop vor vov vpa vpd vpe vpi vpk vpo vpp vpr vra vrd vre vri vrk vrp vrr vva vvi vvo vvr vvv