-er a-a a-b a-i aaa aab aae aai aan aao aap aar aaw ab- aba abb abe abi abn abo abp abr abw aea aeb aee aei aen aeo aep aer aew ai- aia aib aie aii ain aio aip air aiw an- ana anb ane ani ann ano anp anr aoa aob aoe aoi aon aoo aop aor aow ap- apa apb ape api apn apo app apr apw ar- ara arb are ari arn aro arp arr arw aw- awa awb awe awi awn awo awp awr aww b-p baa bab bae bai ban bao bap bar baw bba bbb bbe bbi bbn bbo bbp bbr bbw be- bea beb bee bei ben beo bep ber bew bi- bia bib bie bii bin bio bip bir biw bna bnb bne bni bnn bno bnp bnr bnw boa bob boe boi bon boo bop bor bow bpa bpb bpe bpi bpn bpo bpp bpr bpw bra brb bre bri brn bro brp brr brw bwa bwb bwi bwo bwp bwr eaa eab eae eai ean eao eap ear eaw eba ebb ebe ebi ebn ebo ebp ebr ebw eea eeb eee een eeo eep eer eew eia eib eie eii ein eio eip eir en- ena enb ene eni enn eno enp enr enw eo- eoa eob eoe eoi eon eoo eop eor eow ep- epa epb epe epi epn epo epp epr epw era erb ere eri ern ero erp err erw ewa ewb ewe ewi ewo ewp ewr eww ia- iaa iab iae iai ian iao iap iar iaw iba ibb ibe ibi ibn ibo ibp ibr ibw ie- iea iee iei ien iep ier iia iib iie iii iin iio iip iir iiw in- ina inb ine ini inn ino inp inr io- ioa iob ioe ioi ion ioo iop ior iow ipa ipb ipe ipi ipn ipo ipp ipr ir- ira irb ire iri irn iro irp irr iwa iwb iwe iwi iwo iwp iwr iww n-i naa nab nae nai nan nao nap nar naw nba nbb nbe nbi nbn nbo nbp nbr nbw ne- nea neb nee nei nen neo nep ner new nia nib nie nii nin nio nip nir nna nnb nne nni nnn nno nnp nnw no- noa nob noe noi non noo nop nor now npa npb npe npi npn npo npp npr npw nra nrb nre nri nrn nro nrp nrr nrw nwa nwb nwe nwi nwn nwo nwp nwr o-i oaa oab oae oai oan oao oap oar oaw ob- oba obb obe obi obn obo obp obr obw oea oeb oee oei oen oeo oep oer oia oib oie oii oin oio oip oir on- ona onb one oni onn ono onp onr oo- ooa oob ooi oon ooo oop oor oow op- opa opb ope opi opn opo opp opr opw or- ora orb ore ori orn oro orp orr owa owb owe owi own owo owp oww p-p paa pab pae pai pan pao pap par paw pba pbb pbe pbi pbn pbo pbp pbr pbw pea peb pee pei pen peo pep per pew pia pib pie pii pin pio pip pir piw pn- pna pnb pne pni pnn pno pnp pnr pnw poa pob poe poi pon poo pop por pow ppa ppb ppe ppi ppn ppo ppp ppr ppw pra prb pre pri prn pro prp prr prw pwa pwb pwe pwi pwn pwo pwp pwr ra- raa rab rae rai ran rao rap rar raw rba rbb rbe rbi rbn rbo rbp rbr rbw re- rea reb ree rei ren reo rep rer rew ria rib rie rii rin rio rip rir rna rnb rni rnn rno rnp rnr rnw roa rob roe roi ron roo rop ror row rpa rpb rpe rpi rpn rpo rpp rpr rpw rra rrb rri rrn rrp rrr rwa rwb rwe rwi rwr waa wab wae wai wan wao wap war waw wba wbb wbe wbi wbn wbo wbr wbw wea web wee wei wen weo wep wer wew wia wib wie wii win wip wir wn- wna wne wnn wno wnp wnw woa wob woe woi won woo wop wor wow wpa wpb wpe wpi wpn wpo wpp wpr wr- wra wre wri wrn wro wrp wrr wrw wwa wwe wwi wwn wwo wwp www